Datamined list of redirects where (more or less) a case/hyphenation variation of an existing animal page redirects to a different animal page. This seems to happen when animals previously considered conspecific get split.

For example, Black-and-chestnut Warbling-finch redirects (at time of writing) to Black-and-rufous warbling finch even though those are now considered different species. The rufous article was generated in 2007. The chestnut article (Black-and-chestnut warbling finch, different capitalization) was converted from a redirect to a stub in 2020, but Black-and-chestnut Warbling-finch was never updated to point to the chestnut article.

In contrast, Giant sea-catfish → Giant catfish is more reasonable. The giant catfish is also called the giant sea catfish, despite there being a different fish called the giant sea catfish.

I'll mark these as I go through them; feel free to grab a chunk and do the same. I have no idea if there is already a more general process for cleaning up redirects of split pages; if so, please enlighten me.

• African House Snake → Lamprophis
• Aldabra Fody → Comoros fody
• Andaman Green-pigeon → Pompadour green pigeon
• Andaman green-pigeon → Pompadour green pigeon
• Asian Red-cheeked Squirrel → Red-cheeked squirrel
• Atlantic Humpback Dolphin → Humpback dolphin
• Azaras's Capuchin → Black-striped capuchin
• Bahia Wagtail-tyrant → Lesser wagtail-tyrant
• Bear Cuscus → Sulawesi bear cuscus
• Bicolored Antbird → White-cheeked antbird
• Black-and-chestnut Warbling-finch → Black-and-rufous warbling finch - Reredirected to Black-and-chestnut warbling finch
• Black-and-chestnut Warbling-Finch → Black-and-rufous warbling finch - Reredirected to Black-and-chestnut warbling finch
• Black-and-chestnut warbling-finch → Black-and-rufous warbling finch - Reredirected to Black-and-chestnut warbling finch
• Black-eared Catbird → Spotted catbird
• Blind Mole Rat → Spalax
• Blue Malkoha → Ceuthmochares
• Blue Periwinkle → Austrolittorina unifasciata
• Bornean Clouded leopard → Sunda clouded leopard
• Bornean Mountain Ground Squirrel → Red-cheeked squirrel
• Bowl-and-doily spider → Linyphiidae
• Broad-ringed White-eye → Ethiopian white-eye
• Bronze-brown Cowbird → Bronzed cowbird
• Brown-breasted Kingfisher → White-throated kingfisher
• Brown-tailed Apalis → Yellow-breasted apalis
• Canary Flycatcher → Canary flyrobin
• Canary flycatcher → Canary flyrobin
• Canebrake Wren → Cabanis's wren
• Ceará Gnateater → Rufous gnateater
• Cebu Bulbul → Streak-breasted bulbul
• Chestnut-capped Warbler → Rufous-capped warbler
• Chirocephalus Diaphanus → Chirocephalus
• Choco Warbler → Golden-bellied warbler
• Cliff Swallow → Petrochelidon
• Comoro Green Pigeon → Madagascar green pigeon
• Comoro Green-pigeon → Madagascar green pigeon
• Congo Shrew → Congo white-toothed shrew
• Crag Martin → Eurasian crag martin
• Cuban Palm Crow → Hispaniolan palm crow
• Dagua Thrush → White-throated thrush
• Dark Hawk-Cuckoo → Large hawk-cuckoo
• Dwarf Catshark → Asymbolus parvus
• Eastern Garter snake → Common garter snake
• Eastern Milk Snake → Milk snake
• Eastern Spadefoot Toad → Eastern spadefoot
• Ecuadorian Rail → Virginia rail
• Ethiopian Bee-eater → Blue-breasted bee-eater
• Florida Box Turtle → Common box turtle
• Fork-tailed Drongo-cuckoo → Surniculus
• Four line wrasse → Four-lined wrasse - Reredirected to Four-line wrasse, though maybe could use a "not to be confused"
• Free-tailed Bat → Equatorial dog-faced bat - Reredirected to Free-tailed bat
• Ghost-moth → Hepialidae - Not incorrect; both are called ghost moths, though maybe the hyphenated "ghost-moth" applies to one more strongly?
• Giant sea-catfish → Giant catfish - seems reasonable?
• Giant Sea-Catfish → Giant catfish - seems reasonable?
• Giant Sea-catfish → Giant catfish - seems reasonable?
• Giant sea-Catfish → Giant catfish - seems reasonable?
• Goldman's Warbler → Yellow-rumped warbler - false positive from recent merge
• Grey-chinned Sunbird → Yellow-chinned sunbird - Reredirected to Grey-chinned sunbird
• Grey-rumped Swiftlet → Glossy swiftlet - Reredirected to Grey-rumped swiftlet
• Ground Parrot → Pezoporus - Reredirected to Ground parrot
• Haast Tokoeka → Southern brown kiwi - Reredirected to Haast tokoeka
• Hairy-Tailed Bat → Lasiurus - Doesn't seem incorrect but should maybe point to Hairy-tailed bat instead?
• Himalayan Black Bear → Asian black bear - Reredirected to Himalayan black bear
• Himalayan Black bear → Asian black bear - Reredirected to Himalayan black bear
• Indian Threadfin → Indian threadfish - Reredirected to Indian threadfin (This one was not strictly incorrect; the Indian threadfish is also called the Indian threadfin.)
• Japanese Long-eared bat → Brown long-eared bat Reredirected to Japanese long-eared bat
• Javan Treeshrew → Horsfield's treeshrew - Not incorrect but should probably point to Javan treeshrew instead
• Jerdon's Minivet → White-bellied minivet - Reredirected to Jerdon's minivet
• Lesson's Saddle-back Tamarin → Brown-mantled tamarin - Reredirected to Lesson's saddle-back tamarin
• Madeira Parakeet → Santarem parakeet - Reredirected to Madeira parakeet
• Malayan Sun Bear → Sun bear - Reredirected to Malayan sun bear
• Malaysian Hawk Cuckoo → Hodgson's hawk-cuckoo - Reredirected to Malaysian hawk-cuckoo
• Malaysian hawk cuckoo → Hodgson's hawk-cuckoo - Reredirected to Malaysian hawk-cuckoo
• Malaysian Hawk-cuckoo → Hodgson's hawk-cuckoo - Reredirected to Malaysian hawk-cuckoo
• Malaysian Hawk-Cuckoo → Hodgson's hawk-cuckoo - Reredirected to Malaysian hawk-cuckoo
• Mantanani Scops-Owl → Sula scops owl - Reredirected to Mantanani scops owl
• Marañón Gnatcatcher → Tropical gnatcatcher - Reredirected to Marañón gnatcatcher
• Mindoro Racket-tail → Blue-crowned racket-tail - Reredirected to Mindoro racket-tail
• Mistletoe Tyrannulet → Guatemalan tyrannulet - Reredirected to Mistletoe tyrannulet
• Mongolian Wolf → Himalayan wolf - Reredirected to Mongolian wolf
• Moore's Frog → Motorbike frog - Not incorrect but probably needs fixed anyway
• Mountain Pygmy-owl → Northern pygmy owl - Reredirected to Mountain pygmy owl
• Mountain Pygmy-Owl → Northern pygmy owl - Reredirected to Mountain pygmy owl
• New Guinea Woodcock → Javan woodcock - Reredirected to New Guinea woodcock
• Ngome Dwarf Chameleon → Bradypodion - Reredirected to Ngome dwarf chameleon
• Northern hawk cuckoo → Hodgson's hawk-cuckoo - Reredirected to Northern hawk-cuckoo
• Northern Hawk-Cuckoo → Hodgson's hawk-cuckoo - Reredirected to Northern hawk-cuckoo
• Northern White-fringed Antwren → Southern white-fringed antwren - Reredirected to Northern white-fringed antwren
• Orange-bellied Himalayan Squirrel → Red-cheeked squirrel - Reredirected to Orange-bellied Himalayan squirrel
• Orangespotted Filefish → Orange spotted filefish - Reredirected to Orangespotted filefish
• Painted Sweetlips → Plectorhinchus pica - Not strictly incorrect; both have this name
• Palau Cicadabird → Sahul cicadabird - Reredirected to Palau cicadabird
• Pale White-eye → Ashy-bellied white-eye - Reredirected to Pale white-eye
• Palm-tanager → Phaenicophilus - Not incorrect
• Para Gnatcatcher → Guianan gnatcatcher - Reredirected to Para gnatcatcher
• Paradise Crow → Halmahera paradise-crow - Reredirected to Paradise-crow
• Paradise crow → Halmahera paradise-crow - Reredirected to Paradise-crow
• Peacock Flounder → Plate fish - Not incorrect
• Perija Parakeet → Painted parakeet - Reredirected to Perija parakeet
• Perny's Long-nosed Squirrel → Red-cheeked squirrel - Reredirected to Perny's long-nosed squirrel
• Philippine Honey-buzzard → Barred honey buzzard - Reredirected to Philippine honey buzzard
• Philippine Magpie-robin → Oriental magpie-robin - Reredirected to Philippine magpie-robin
• Philippine Pygmy Squirrel → Exilisciurus - Reredirected to Philippine pygmy squirrel
• Phillips's Kangaroo Rat → Banner-tailed kangaroo rat - Reredirected to Phillips's kangaroo rat
• Pied Stilt → Black-winged stilt - Reredirected to Pied stilt
• Pike-characin → Ctenoluciidae - Seems correct
• Piura Hemispingus → Black-eared hemispingus - Reredirected to Piura hemispingus
• Plain Thornbird → Rufous-fronted thornbird - Reredirected to Plain thornbird
• Rabbit-fish → Rabbitfish - Seems correct
• Razor-shell → Ensis - Not incorrect; both are called that?
• Red Tree Frog → Desert tree frog - Reredirected to Red tree frog
• Red-hipped Squirrel → Red-cheeked squirrel - Reredirected to Red-hipped squirrel
• Red-sided Garter Snake → Common garter snake - Reredirected to Red-sided garter snake
• Redonda Ameiva → Montserrat ameiva - Reredirected to Redonda ameiva
• Rock Kestrel → Common kestrel - Reredirected to Rock kestrel
• Sakhalin Grasshopper-warbler → Gray's grasshopper warbler
• San Diego Horned Lizard → Coast horned lizard
• Sangihe dwarf-kingfisher → Sulawesi dwarf kingfisher
• Short-maned sand eel → Phaenomonas longissima
• Silver-bordered Fritillary → Small pearl-bordered fritillary
• Silvery-flanked Antwren → White-flanked antwren
• Socotra Scops-owl → African scops owl
• Solitary Eagle → Buteogallus
• South Philippine Dwarf Kingfisher → Philippine dwarf kingfisher
• Southern California Kit Fox → Kit fox
• Southern Toadlet → Dendy's toadlet
• Spanish Mackerel → Atlantic Spanish mackerel
• Stierling's Wren-warbler → Miombo wren-warbler
• Stout-legged Wren → Xenicus
• Sumatran Wren-babbler → Long-billed wren-babbler
• Threadfin Anthias → Pseudanthias huchtii
• Toucan-barbet → Semnornis
• Tufted Pygmy Squirrel → Exilisciurus
• Typhlatya Rogersi → Typhlatya
• Wangi Wangi White-Eye → Pale-bellied white-eye
• Water Holding Frog → Ranoidea (genus)
• Water-holding Frog → Ranoidea (genus)
• Western Broad-Nosed Bat → Inland broad-nosed bat
• Western Broad-nosed Bat → Inland broad-nosed bat
• Western Hemispingus → Black-eared hemispingus
• Western Round-eared Bat → White-throated round-eared bat
• Western Snowy Plover → Snowy plover
• Wetar Oriole → Timor oriole
• White-browed Hemispingus → Black-capped hemispingus
• White-fronted Quail-dove → Grey-fronted quail-dove
• Yellow Tail → Yellowtail - reasonable; disambiguation page
• Yellow tail → Yellowtail - see above
• Yellow-eyed Bristlebill → Yellow-lored bristlebill
• Yellow-Eyed Bristlebill → Yellow-lored bristlebill
• Yellow-margined Flatbill → Yellow-winged flatbill
• Yellow-tufted Dacnis → Black-faced dacnis