Library of Congress CYAC Subject Headings (January 17, 2023)
LIBRARY OF CONGRESS CYAC SUBJECT HEADINGS
APPROVED MONTHLY LIST


Select this link to view the Summary of Decisions of the editorial meeting.

 
 
GENRE/FORM TERMS
 
 
CHILDREN'S SUBJECT HEADINGS
 
150
Albatrosses    [May Subd Geog] CHANGE GEOG    [sp2021055859]
 
450
UF Albetrosses DELETE FIELD
 
450
UF Albitrosses DELETE FIELD
 
450
UF Algatrosses DELETE FIELD
 
450
UF Gooneys (Birds) ADD FIELD
 
450
UF Goonies (Birds) ADD FIELD
 
550
BT Procellariiformes DELETE FIELD
 
550
BT Birds ADD FIELD
 
550
BT Sea birds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Laysan albatrosses; Wandering albatrosses ADD FIELD
 
 
150
Allium CHANGE HEADING
 
150
Onion (Genus)    [May Subd Geog] CHANGE GEOG    [sp2021058095]
 
053
QK495.A42 (Botany)
 
450
UF Allium [Former heading]
 
550
BT Onion family (Plants)
 
688
Heading changed from Allium to Onion (Genus) in January 2023.
 
 
150
American robin CHANGE HEADING
 
150
American robins    [May Subd Geog] CHANGE GEOG    [sp2021055487]
 
053
QL696.P288 (Zoology)
 
450
UF American robin [Former heading]
 
450
UF Turdus migratorius
 
550
BT Robins
 
550
BT State birds
 
680
When this heading is assigned, the second subject heading Robins is also assigned, e.g., 1. American robins. 2. Robins.
 
688
Heading changed from American robin to American robins in January 2023.
 
 
150
Artichokes    [May Subd Geog] CHANGE GEOG    [sp2021057103]
 
053
SB351.A8 DELETE FIELD
 
450
UF Globe artichoke DELETE FIELD
 
450
UF Cynara cardunculus ADD FIELD
 
450
UF French artichokes ADD FIELD
 
450
UF Globe artichokes ADD FIELD
 
550
BT Aster family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Asparagales    [May Subd Geog]    [sp2022050337]
 
053
QK495.A14 (Botany)
 
550
BT Monocotyledons
 
 
150
Aster family (Plants)    [May Subd Geog]    [sp2022050339]
 
053
QK495.C74 (Botany)
 
450
UF Asteraceae
 
450
UF Compositae
 
550
BT Dicotyledons
 
 
150
Barn swallow CHANGE HEADING
 
150
Barn swallows    [May Subd Geog] CHANGE GEOG    [sp2021058582]
 
053
QL696.P247 (Zoology)
 
450
UF Barn swallow [Former heading]
 
450
UF Common swallows
 
450
UF Hirundo rustica
 
550
BT Swallows
 
680
When this heading is assigned, the second subject heading Swallows is also assigned, e.g., 1. Barn swallows. 2. Swallows.
 
688
Heading changed from Barn swallow to Barn swallows in January 2023.
 
 
150
Birds of paradise (Birds)    [May Subd Geog] CHANGE GEOG    [sp2021058635]
 
053
QL696.P26 DELETE FIELD
 
053
QL696.P26 (Zoology) ADD FIELD
 
450
UF Paradise birds DELETE FIELD
 
450
UF Paradiseidae DELETE FIELD
 
550
BT Passeriformes DELETE FIELD
 
550
BT Forest birds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Blue tit CHANGE HEADING
 
150
Blue tits    [May Subd Geog] CHANGE GEOG    [sp2021056963]
 
053
QL696.P2615 (Zoology)
 
450
UF Blue tit [Former heading]
 
450
UF Cyanistes caeruleus
 
450
UF Eurasian blue tits
 
450
UF Parus caeruleus
 
550
BT Chickadee family (Birds)
 
680
When this heading is assigned, the second subject heading Chickadee family (Birds) is also assigned, e.g., 1. Blue tits. 2. Chickadee family (Birds)
 
688
Heading changed from Blue tit to Blue tits in January 2023.
 
 
150
Bluebirds    [May Subd Geog] CHANGE GEOG    [sp2021056343]
 
053
QL696.P288 DELETE FIELD
 
053
QL696.P288 (Zoology) ADD FIELD
 
550
BT Turdidae DELETE FIELD
 
550
BT Thrushes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Mountain bluebirds ADD FIELD
 
 
150
Bones--Diseases    [May Subd Geog]    [sp2022050003]
 
053
RJ482.B65 (Pediatrics) ADD FIELD
 
550
BT Diseases DELETE FIELD
 
 
150
Buzzards    [May Subd Geog] CHANGE GEOG    [sp2021058400]
 
053
QL696.F3 DELETE FIELD
 
550
BT Falconiformes DELETE FIELD
 
550
BT Birds of prey ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Cabbage CHANGE HEADING
 
150
Cabbages    [May Subd Geog] CHANGE GEOG    [sp2021054398]
 
053
SB331 (Vegetables)
 
450
UF Brassica oleracea capitata
 
450
UF Cabbage [Former heading]
 
550
BT Mustard family (Plants)
 
688
Heading changed from Cabbage to Cabbages in December 2022.
 
 
150
Chickadee family (Birds)    [May Subd Geog]    [sp2022050332]
 
053
QL696.P2615 (Zoology)
 
450
UF Paridae
 
550
BT Songbirds
 
681
Example under Blue tits
 
 
150
Chickadees    [May Subd Geog] CHANGE GEOG    [sp2021057693]
 
450
UF Chicadees DELETE FIELD
 
450
UF Poecile ADD FIELD
 
550
BT Poecile DELETE FIELD
 
550
BT Chickadee family (Birds) ADD FIELD
 
550
BT State birds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Condors    [May Subd Geog]    [sp2021053276]
 
053
QL696.C53 (Ornithology) DELETE FIELD
 
053
QL696.C53 (Zoology) ADD FIELD
 
 
150
Cooper's hawk CHANGE HEADING
 
150
Cooper's hawks    [May Subd Geog] CHANGE GEOG    [sp2021056052]
 
053
QL696.F32 (Zoology)
 
450
UF Accipiter cooperii
 
450
UF Cooper's hawk [Former heading]
 
550
BT Forest birds
 
550
BT Hawk family (Birds)
 
550
BT Hawks
 
680
When this heading is assigned, the second subject heading Hawk family (Birds) is also assigned, e.g., 1. Cooper's hawks. 2. Hawk family (Birds)
 
688
Heading changed from Cooper's hawk to Cooper's hawks in January 2023.
 
 
150
Daisies    [May Subd Geog] CHANGE GEOG    [sp2021056019]
 
053
SB413.D (Ornamental plants) DELETE FIELD
 
053
SB413.D2 (Plant culture) ADD FIELD
 
450
UF Bellis ADD FIELD
 
450
UF Daisy ADD FIELD
 
550
BT Compositae DELETE FIELD
 
550
BT Aster family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Dandelions    [May Subd Geog] CHANGE GEOG    [sp2021053234]
 
450
UF Blowballs DELETE FIELD
 
550
BT Compositae DELETE FIELD
 
550
BT Aster family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Downy woodpecker CHANGE HEADING
 
150
Downy woodpeckers    [May Subd Geog] CHANGE GEOG    [sp2021058853]
 
053
QL696.P56 (Zoology)
 
450
UF Dendrocopos pubescens
 
450
UF Downy woodpecker [Former heading]
 
450
UF Dryobates pubescens
 
450
UF Picoides pubescens
 
550
BT Woodpeckers
 
680
When this heading is assigned, the second subject heading Woodpeckers is also assigned, e.g., 1. Downy woodpeckers. 2. Woodpeckers.
 
688
Heading changed from Downy woodpecker to Downy woodpeckers in January 2023.
 
 
150
Eagles    [May Subd Geog] CHANGE GEOG    [sp2021051094]
 
550
BT Accipitridae DELETE FIELD
 
550
BT Hawk family (Birds) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Predatory animals DELETE FIELD
 
 
150
Eurasian blackbirds    [May Subd Geog]    [sp2022050334]
 
053
QL696.P288 (Zoology)
 
450
UF Common blackbirds
 
450
UF European blackbirds
 
450
UF Turdus merula
 
550
BT Blackbirds
 
550
BT Thrushes
 
680
When this heading is assigned, the second subject heading Thrushes is also assigned, e.g., 1. Eurasian blackbirds. 2. Thrushes.
 
 
150
Gambel's quail CHANGE HEADING
 
150
Gambel's quails    [May Subd Geog] CHANGE GEOG    [sp2021059503]
 
053
QL696.G259 (Zoology)
 
450
UF Callipepla gambelii
 
450
UF Gambel quails
 
450
UF Gambel's quail [Former heading]
 
450
UF Lophortyx gambelii
 
550
BT New World quails
 
550
BT Quails
 
680
When this heading is assigned, the second subject heading New World quails is also assigned, e.g., 1. Gambel's quails. 2. New World quails.
 
688
Heading changed from Gambel's quail to Gambel's quails in January 2023.
 
 
150
Garlic    [May Subd Geog] CHANGE GEOG    [sp2021058096]
 
053
SB351.G3 (Culture) DELETE FIELD
 
053
SB351.G3 (Plant culture) ADD FIELD
 
450
UF Cultivated garlic ADD FIELD
 
550
BT Allium DELETE FIELD
 
550
BT Onion (Genus) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Golden eagle CHANGE HEADING
 
150
Golden eagles    [May Subd Geog] CHANGE GEOG    [sp2021054928]
 
053
QL696.F32 (Zoology)
 
450
UF Aquila chrysaetos
 
450
UF Golden eagle [Former heading]
 
550
BT Eagles
 
550
BT Hawk family (Birds)
 
680
When this heading is assigned, the second subject heading Hawk family (Birds) is also assigned, e.g., 1. Golden eagles. 2. Hawk family (Birds)
 
688
Heading changed from Golden eagle to Golden eagles in January 2023.
 
 
150
Goshawk CHANGE HEADING
 
150
Northern goshawks    [May Subd Geog] CHANGE GEOG    [sp2021058052]
 
053
QL696.F32 (Zoology)
 
450
UF Accipiter gentilis
 
450
UF Goshawk [Former heading]
 
550
BT Forest birds
 
550
BT Hawk family (Birds)
 
550
BT Hawks
 
680
When this heading is assigned, the second subject heading Hawk family (Birds) is also assigned, e.g., 1. Northern goshawks. 2. Hawk family (Birds)
 
688
Heading changed from Goshawk to Northern goshawks in January 2023.
 
 
150
Harpy eagle CHANGE HEADING
 
150
Harpy eagles    [May Subd Geog] CHANGE GEOG    [sp2021059310]
 
053
QL696.F32 (Zoology)
 
450
UF Harpia harpyja
 
450
UF Harpy eagle [Former heading]
 
550
BT Eagles
 
550
BT Hawk family (Birds)
 
680
When this heading is assigned, the second subject heading Hawk family (Birds) is also assigned, e.g., 1. Harpy eagles. 2. Hawk family (Birds)
 
688
Heading changed from Harpy eagle to Harpy eagles in January 2023.
 
 
150
Hawk family (Birds)    [May Subd Geog] ADD GEOG    [sp2002003781]
 
053
QL696.F32 (Zoology) ADD FIELD
 
550
BT Birds ADD FIELD
 
550
BT Birds of prey ADD FIELD
 
681
Example under Bearded vultures; Cooper's hawks; Golden eagles; Harpy eagles; Northern goshawks; Red kites; Red-tailed hawks ADD FIELD
 
 
150
Honeyeaters    [May Subd Geog] CHANGE GEOG    [sp2021061548]
 
053
QL696.P249 DELETE FIELD
 
053
QL696.P249 (Zoology) ADD FIELD
 
450
UF Honey eaters [Former heading] DELETE FIELD
 
450
UF Honeysuckers DELETE FIELD
 
550
BT Passeriformes DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
House sparrow CHANGE HEADING
 
150
House sparrows    [May Subd Geog] CHANGE GEOG    [sp2021053447]
 
053
QL696.P262 (Zoology)
 
450
UF English sparrows
 
450
UF House sparrow [Former heading]
 
450
UF Passer domesticus
 
550
BT Old World sparrows
 
550
BT Sparrows
 
680
When this heading is assigned, the second subject heading Old World sparrows is also assigned, e.g., 1. House sparrows. 2. Old World sparrows.
 
688
Heading changed from House sparrow to House sparrows in January 2023.
 
 
150
Ivory-billed woodpecker CHANGE HEADING
 
150
Ivory-billed woodpeckers    [May Subd Geog] CHANGE GEOG    [sp2021059704]
 
053
QL696.P56 (Zoology)
 
450
UF Campephilus principalis
 
450
UF Ivory-billed woodpecker [Former heading]
 
450
UF Lord God birds
 
550
BT Woodpeckers
 
680
When this heading is assigned, the second subject heading Woodpeckers is also assigned, e.g., 1. Ivory-billed woodpeckers. 2. Woodpeckers.
 
688
Heading changed from Ivory-billed woodpecker to Ivory-billed woodpeckers in January 2023.
 
 
150
King vultures    [May Subd Geog]    [sp2021059539]
 
053
QL696.C53 (Ornithology) DELETE FIELD
 
053
QL696.C53 (Zoology) ADD FIELD
 
550
BT Vultures ADD FIELD
 
688
Heading changed from King vulture to King vultures in November 2022. DELETE FIELD
 
688
Heading changed from King vulture to King vultures in January 2023. ADD FIELD
 
 
150
Lammergeier CHANGE HEADING
 
150
Bearded vultures    [May Subd Geog] CHANGE GEOG    [sp2021056041]
 
053
QL696.F32 (Zoololgy)
 
450
UF Gypaetus barbatus
 
450
UF Lammergeier [Former heading]
 
450
UF Lammergeyers
 
550
BT Old World vultures
 
550
BT Vultures
 
680
When this heading is assigned, the second subject heading Old World vultures is also assigned, e.g., 1. Bearded vultures. 2. Old World vultures.
 
688
Heading changed from Lammergeier to Bearded vultures in January 2023.
 
 
150
Laysan albatross CHANGE HEADING
 
150
Laysan albatrosses    [May Subd Geog] CHANGE GEOG    [sp2021057269]
 
053
QL696.P63 (Zoology)
 
450
UF Diomedea immutabilis
 
450
UF Laysan albatross [Former heading]
 
450
UF Phoebastria immutabilis
 
550
BT Albatrosses
 
680
When this heading is assigned, the second subject heading Albatrosses is also assigned, e.g., 1. Laysan albatrosses. 2. Albatrosses.
 
688
Heading changed from Laysan albatross to Laysan albatrosses in January 2023.
 
 
150
Leek CHANGE HEADING
 
150
Leeks    [May Subd Geog] CHANGE GEOG    [sp2021053656]
 
053
QK495.A42 (Botany)
 
053
SB351.L5 (Plant culture)
 
450
UF Allium porrum
 
450
UF Garden leeks
 
450
UF Leek [Former heading]
 
550
BT Onion (Genus)
 
688
Heading changed from Leek to Leeks in January 2023.
 
 
150
Lyrebirds    [May Subd Geog] CHANGE GEOG    [sp2021058018]
 
053
QL696.P2495 DELETE FIELD
 
053
QL696.P2495 (Zoology) ADD FIELD
 
450
UF Lyre-birds [Former heading] DELETE FIELD
 
450
UF Menuridae DELETE FIELD
 
550
BT Passeriformes DELETE FIELD
 
550
BT Songbirds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Marigolds    [May Subd Geog] CHANGE GEOG    [sp2021057185]
 
053
SB413.M37 (Ornamental plant) DELETE FIELD
 
053
SB413.M37 (Plant culture) ADD FIELD
 
450
UF Marigold DELETE FIELD
 
450
UF Tagetes [Former heading] DELETE FIELD
 
450
UF Tagetes ADD FIELD
 
550
BT Compositae DELETE FIELD
 
550
BT Aster family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Mockingbirds    [May Subd Geog] CHANGE GEOG    [sp2021057177]
 
053
QL696.P25 DELETE FIELD
 
053
QL696.P25 (Zoology) ADD FIELD
 
450
UF Mocking-birds [Former heading] DELETE FIELD
 
450
UF Mimodes ADD FIELD
 
450
UF Mimus ADD FIELD
 
450
UF Nesomimus ADD FIELD
 
550
BT Mimidae DELETE FIELD
 
550
BT Songbirds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Mountain bluebird CHANGE HEADING
 
150
Mountain bluebirds    [May Subd Geog] CHANGE GEOG    [sp2021058174]
 
053
QL696.P288 (Zoology)
 
450
UF Mountain bluebird [Former heading]
 
450
UF Sialia currucoides
 
550
BT Bluebirds
 
550
BT State birds
 
680
When this heading is assigned, the second subject heading Bluebirds is also assigned, e.g., 1. Mountain bluebirds. 2. Bluebirds.
 
688
Heading changed from Mountain bluebird to Mountain bluebirds in January 2023.
 
 
150
Mouth--Diseases    [May Subd Geog]    [sp2022050017]
 
550
BT Diseases DELETE FIELD
 
 
150
Mustard    [May Subd Geog] CHANGE GEOG    [sp2021054804]
 
550
BT Brassica DELETE FIELD
 
550
BT Mustard family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Mustard family (Plants)    [May Subd Geog]    [sp2022050340]
 
053
QK495.C9 (Botany)
 
053
SB299.B7 (Oilseed plants)
 
053
SB317.B65 (Economic plants)
 
450
UF Brassicaceae
 
450
UF Cruciferae
 
550
BT Dicotyledons
 
 
150
Mynahs    [May Subd Geog] CHANGE GEOG    [sp2021053799]
 
053
SF473.M9 (Animal culture) ADD FIELD
 
550
BT Blackbirds DELETE FIELD
 
550
BT Sturnidae DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Nervous system--Diseases    [May Subd Geog]    [sp2021061658]
 
550
BT Diseases DELETE FIELD
 
 
150
New World quails    [May Subd Geog]    [sp2022050330]
 
053
QL696.G259 (Zoology)
 
450
UF Odontophoridae
 
550
BT Gallinaceous birds
 
681
Example under Gambel's quails; Northern bobwhites
 
 
150
Nightingale CHANGE HEADING
 
150
Nightingales    [May Subd Geog] CHANGE GEOG    [sp2021052647]
 
053
QL696.P255 (Zoology)
 
053
SF473.N5 (Animal culture)
 
450
UF Common nightingales
 
450
UF Erithacus megarhynchos
 
450
UF Eurasian nightingales
 
450
UF Luscinia megarhynchos
 
450
UF Nightingale [Former heading]
 
450
UF Rufous nightingales
 
550
BT Songbirds
 
680
When this heading is assigned, the second subject heading Songbirds is also assigned, e.g., 1. Nightingales. 2. Songbirds.
 
688
Heading changed from Nightingale to Nightingales in January 2023.
 
 
150
Northern bobwhite CHANGE HEADING
 
150
Northern bobwhites    [May Subd Geog] CHANGE GEOG    [sp2021061029]
 
053
QL696.G259 (Zoology)
 
450
UF Bobwhite quails
 
450
UF Colinus virginianus
 
450
UF Northern bobwhite [Former heading]
 
550
BT New World quails
 
550
BT Quails
 
680
When this heading is assigned, the second subject heading New World quails is also assigned, e.g., 1. Northern bobwhites. 2. New World quails.
 
688
Heading changed from Northern bobwhite to Northern bobwhites in January 2023.
 
 
150
Old World sparrows    [May Subd Geog]    [sp2022050331]
 
053
QL696.P262 (Zoology)
 
450
UF Passeridae
 
450
UF True sparrows
 
550
BT Songbirds
 
 
150
Onion family (Plants)    [May Subd Geog]    [sp2022050338]
 
053
QK495.A42 (Botany)
 
450
UF Alliaceae
 
450
UF Amaryllidaceae
 
550
BT Asparagales
 
 
150
Onions    [May Subd Geog] CHANGE GEOG    [sp2021053653]
 
053
SB341 (Culture) DELETE FIELD
 
053
SB341 (Plant culture) ADD FIELD
 
450
UF Garden onions ADD FIELD
 
550
BT Allium DELETE FIELD
 
550
BT Onion (Genus) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Vegetables DELETE FIELD
 
 
150
Oxpeckers    [May Subd Geog] CHANGE GEOG    [sp2021061619]
 
053
QL696.P278 (Zoology) DELETE FIELD
 
450
UF Buphaginae DELETE FIELD
 
450
UF Tick birds (Buphagus) DELETE FIELD
 
450
UF Tickbirds (Buphagus) DELETE FIELD
 
450
UF Tickbirds ADD FIELD
 
550
BT Sturnidae DELETE FIELD
 
550
BT Songbirds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Red-billed oxpeckers ADD FIELD
 
 
150
Passerines CHANGE HEADING
 
150
Perching birds    [May Subd Geog] ADD GEOG    [sp 96006011 ]
 
053
QL696.P2-QL696.P298 (Zoology)
 
450
UF Passeriformes
 
450
UF Passerines [Former heading]
 
550
BT Birds
 
688
Heading changed from Passerines to Perching birds in January 2023.
 
 
150
Pileated woodpecker CHANGE HEADING
 
150
Pileated woodpeckers    [May Subd Geog] CHANGE GEOG    [sp2021057810]
 
053
QL696.P56 (Zoology)
 
450
UF Dryocopus pileatus
 
450
UF Pileated woodpecker [Former heading]
 
550
BT Forest birds
 
550
BT Woodpeckers
 
680
When this heading is assigned, the second subject heading Woodpeckers is also assigned, e.g., 1. Pileated woodpeckers. 2. Woodpeckers.
 
688
Heading changed from Pileated woodpecker to Pileated woodpeckers in January 2023.
 
 
150
Quails    [May Subd Geog] CHANGE GEOG    [sp2021055652]
 
053
QL696.G2 (Zoology) DELETE FIELD
 
450
UF Colinae DELETE FIELD
 
550
BT Galliformes DELETE FIELD
 
550
BT New World quails ADD FIELD
 
550
BT Pheasant family (Birds) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Red-billed oxpecker CHANGE HEADING
 
150
Red-billed oxpeckers    [May Subd Geog] CHANGE GEOG    [sp2021059033]
 
450
UF Buphagus erythrorhynchus
 
450
UF Red-billed oxpecker [Former heading]
 
550
BT Oxpeckers
 
680
When this heading is assigned, the second subject heading Oxpeckers is also assigned, e.g., 1. Red-billed oxpeckers. 2. Oxpeckers.
 
688
Heading changed from Red-billed oxpecker to Red-billed oxpeckers in January 2023.
 
 
150
Red-headed woodpecker CHANGE HEADING
 
150
Red-headed woodpeckers    [May Subd Geog] CHANGE GEOG    [sp2021058580]
 
053
QL696.P56 (Zoology)
 
450
UF Melanerpes erythrocephalus
 
450
UF Red-headed woodpecker [Former heading]
 
450
UF Redheaded woodpeckers
 
550
BT Woodpeckers
 
680
When this heading is assigned, the second subject heading Woodpeckers is also assigned, e.g., 1. Red-headed woodpeckers. 2. Woodpeckers.
 
688
Heading changed from Red-headed woodpecker to Red-headed woodpeckers in January 2023.
 
 
150
Red kite CHANGE HEADING
 
150
Red kites    [May Subd Geog] CHANGE GEOG    [sp2021058682]
 
053
QL696.F32 (Zoololgy)
 
450
UF Milvus milvus
 
450
UF Red kite [Former heading]
 
550
BT Hawk family (Birds)
 
680
When this heading is assigned, the second subject heading Hawk family (Birds) is also assigned, e.g., 1. Red kites. 2. Hawk family (Birds)
 
688
Heading changed from Red kite to Red kites in January 2023.
 
 
150
Red-tailed hawk CHANGE HEADING
 
150
Red-tailed hawks    [May Subd Geog] CHANGE GEOG    [sp2021055507]
 
053
QL696.F32 (Zoology)
 
450
UF Buteo jamaicensis
 
450
UF Red-tailed hawk [Former heading]
 
450
UF Redtails (Birds)
 
550
BT Hawk family (Birds)
 
550
BT Hawks
 
680
When this heading is assigned, the second subject heading Hawk family (Birds) is also assigned, e.g., 1. Red-tailed hawks. 2. Hawk family (Birds)
 
688
Heading changed from Red-tailed hawk to Red-tailed hawks in January 2023.
 
 
150
Respiratory system--Diseases    [May Subd Geog]    [sp2022050014]
 
550
BT Diseases DELETE FIELD
 
 
150
Robins    [May Subd Geog] CHANGE GEOG    [sp2021053678]
 
053
QL696.P288 (Zoology) ADD FIELD
 
450
UF Turdus ADD FIELD
 
550
BT Passeriformes DELETE FIELD
 
550
BT Thrushes ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under: American robins ADD FIELD
 
 
150
Rutabaga CHANGE HEADING
 
150
Rutabagas    [May Subd Geog] CHANGE GEOG    [sp2021053303]
 
053
QK495.C9 (Botany)
 
053
SB211.R8 (Culture)
 
450
UF Brassica napus
 
450
UF Brassica napus napobrassica
 
450
UF Russian turnip
 
450
UF Rutabaga [Former heading]
 
450
UF Swede (Plant)
 
450
UF Swede turnip
 
450
UF Swedish turnip
 
450
UF Turnip, Swede
 
450
UF Turnip, Swedish
 
550
BT Mustard family (Plants)
 
688
Heading changed from Rutabaga to Rutabagas in December 2022.
 
 
150
Skylark CHANGE HEADING
 
150
Skylarks    [May Subd Geog] CHANGE GEOG    [sp2021058529]
 
053
QL696.P214 (Zoology)
 
450
UF Alauda arvensis
 
450
UF Eurasian skylarks
 
450
UF Sky larks
 
450
UF Skylark [Former heading]
 
550
BT Songbirds
 
680
When this heading is assigned, the second subject heading Songbirds is also assigned, e.g., 1. Skylarks. 2. Songbirds.
 
688
Heading changed from Skylark to Skylarks in January 2023.
 
 
150
Songbirds    [May Subd Geog] CHANGE GEOG    [sp2021050551]
 
450
UF Passeres DELETE FIELD
 
450
UF Passeri ADD FIELD
 
550
BT Passeriformes DELETE FIELD
 
550
BT Perching birds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Nightingales; Skylarks; Zebra finches ADD FIELD
 
 
150
Sparrows    [May Subd Geog] CHANGE GEOG    [sp2021052226]
 
550
BT Passeriformes DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Starlings    [May Subd Geog] CHANGE GEOG    [sp2021061191]
 
053
QL696.P278 DELETE FIELD
 
053
QL696.P278 (Zoology) ADD FIELD
 
053
SF473.S9 (Animal culture) ADD FIELD
 
450
UF Rhabdornithidae ADD FIELD
 
450
UF Sturnidae ADD FIELD
 
450
UF Sturninae ADD FIELD
 
550
BT Sturnidae DELETE FIELD
 
550
BT Songbirds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Sunflowers    [May Subd Geog] CHANGE GEOG    [sp2021053100]
 
053
SB413.S88 (Ornamental plants) DELETE FIELD
 
053
SB413.S88 (Plant culture) ADD FIELD
 
450
UF Helianthus [Former heading] DELETE FIELD
 
450
UF Helianthus ADD FIELD
 
550
BT Compositae DELETE FIELD
 
550
BT Aster family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Swallows    [May Subd Geog] CHANGE GEOG    [sp2021055832]
 
053
QL696.P247 DELETE FIELD
 
053
QL696.P247 (Zoology) ADD FIELD
 
550
BT Passeriformes DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Barn swallows; Tree swallows ADD FIELD
 
 
150
Thrushes    [May Subd Geog] CHANGE GEOG    [sp2021054088]
 
053
QL696.P288 DELETE FIELD
 
053
QL696.P288 (Zoology) ADD FIELD
 
053
SF473.T48 (Animal culture) ADD FIELD
 
450
UF Turdidae ADD FIELD
 
550
BT Turdidae DELETE FIELD
 
550
BT Songbirds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Eurasian blackbirds; Wood thrushes ADD FIELD
 
 
150
Tree swallow CHANGE HEADING
 
150
Tree swallows    [May Subd Geog] CHANGE GEOG    [sp2021057911]
 
053
QL696.P247 (Zoology)
 
450
UF Iridoprocne bicolor
 
450
UF Tachycineta bicolor
 
450
UF Tree swallow [Former heading]
 
550
BT Swallows
 
680
When this heading is assigned, the second subject heading Swallows is also assigned, e.g., 1. Tree swallows. 2. Swallows.
 
688
Heading changed from Tree swallow to Tree swallows in January 2023.
 
 
150
Turkey vultures    [May Subd Geog]    [sp2021054739]
 
053
QL696.C53 (Ornithology) DELETE FIELD
 
053
QL696.C53 (Zoology) ADD FIELD
 
550
BT Vultures ADD FIELD
 
688
Heading changed from Turkey vulture to Turkey vultures in November 2022. DELETE FIELD
 
688
Heading changed from Turkey vulture to Turkey vultures in January 2023. ADD FIELD
 
 
150
Turnips    [May Subd Geog] CHANGE GEOG    [sp2021052572]
 
450
UF Brassica rapa ADD FIELD
 
450
UF Turnip ADD FIELD
 
550
BT Brassica DELETE FIELD
 
550
BT Mustard family (Plants) ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Urinary organs--Diseases    [May Subd Geog]    [sp2022050199]
 
053
RC900-RC923.2 (General) DELETE FIELD
 
053
RC900-RC923.2 (Internal medicine) ADD FIELD
 
550
BT Diseases DELETE FIELD
 
 
150
Wandering albatross CHANGE HEADING
 
150
Wandering albatrosses    [May Subd Geog] CHANGE GEOG    [sp2021055858]
 
053
QL696.P63 (Zoology)
 
450
UF Diomedea exulans
 
450
UF Wandering albatross [Former heading]
 
550
BT Albatrosses
 
680
When this heading is assigned, the second subject heading Albatrosses is also assigned, e.g., 1. Wandering albatrosses. 2. Albatrosses.
 
688
Heading changed from Wandering albatross to Wandering albatrosses in January 2023.
 
 
150
Weaverbirds    [May Subd Geog] CHANGE GEOG    [sp2021059165]
 
053
SF473.W4 (Animal culture) ADD FIELD
 
450
UF Ploceinae DELETE FIELD
 
450
UF Typical weavers (Birds) DELETE FIELD
 
450
UF Weaver-birds [Former heading] DELETE FIELD
 
450
UF Ploceidae ADD FIELD
 
550
BT Ploceidae DELETE FIELD
 
550
BT Songbirds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Wood thrush CHANGE HEADING
 
150
Wood thrushes    [May Subd Geog] CHANGE GEOG    [sp2021054222]
 
053
QL696.P288 (Zoology)
 
450
UF Hylocichla mustelina
 
450
UF Wood thrush [Former heading]
 
550
BT Forest birds
 
550
BT Thrushes
 
680
When this heading is assigned, the second subject heading Thrushes is also assigned, e.g., 1. Wood thrushes. 2. Thrushes.
 
688
Heading changed from Wood thrush to Wood thrushes in January 2023.
 
 
150
Woodpeckers    [May Subd Geog] CHANGE GEOG    [sp2021055339]
 
053
QL696.P56 DELETE FIELD
 
053
QL696.P56 (Zoology) ADD FIELD
 
450
UF True woodpeckers ADD FIELD
 
550
BT Picidae DELETE FIELD
 
550
BT Birds ADD FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
681
Example under Downy woodpeckers; Ivory-billed woodpeckers; Pileated woodpeckers; Red-headed woodpeckers ADD FIELD
 
 
150
Wrens    [May Subd Geog] CHANGE GEOG    [sp2021056487]
 
053
QL696.P287 DELETE FIELD
 
053
QL696.P287 (Zoology) ADD FIELD
 
550
BT Passeriformes DELETE FIELD
 
667
Machine-derived authority record. DELETE FIELD
 
 
150
Zinnia CHANGE HEADING
 
150
Zinnias    [May Subd Geog] CHANGE GEOG    [sp2021059814]
 
053
QK495.C74 (Botany)
 
053
SB413.Z54 (Plant culture)
 
450
UF Zinnia [Former heading]
 
550
BT Aster family (Plants)
 
688
Heading changed from Zinnia to Zinnias in January 2023.
 
 
 
MEDIUM OF PERFORMANCE TERMS
 
 
DEMOGRAPHIC GROUP TERMS