Tropicbirds:
White-tailed Tropicbird
Red-billed Tropicbird
 
Pelicans: 
Brown Pelican
 
Boobies: 
Blue-faced Booby
Brown Booby
Red-footed Booby
 
Frigatebirds:
Magnificent Frigatebird
Ducks: 
Northern Pintail Duck 
Blue-winged Teal 
Green-winged Teal 
White-cheeked Pintail 
American Widgeon
Northern Shoveler
Ring-necked Duck
Lesser Scaup
Ruddy Duck 
Masked Duck
Muscovy Duck
Grebes: ied-billed Grebe 
Ospreys: Osprey

 
Warblers:
Yellow Warbler
Black-and-white Warbler
Prothinotary Warbler
Parula Warbler
Cape May Warbler
Black-throated Blue Warbler
Yellow-rumped Warbler
Prairie Warbler
Blackpoll Warbler
American Redstart
Ovenbird
Northern Waterthrush
Louisiana Waterthrush
Hooded Warbler
 
Finches: 
Streaked Saltator
Black-faced Grassquit
Lesser Antillean Bullfinch
 
Blackbirds:
Bobolink
Carib Grackle
Northern Oriole
Glossy Cowbird
 
Gulls and Terns:
Laughing Gull
Ring-billed Gull
Herring Gull
Caspian Tern
Royal Tern
Sandwich Tern
Roseate Tern
Common Tern
Least Tern
Bridled Tern
Sooty Tern
Brown Noddy
 

Cuckoos and Anis:
Yellow-billed Cuckoo
Mangrove Cuckoo
Smooth-billed Ani
 
Swifts:
Black swift
White-collared swift
Lesser Antillean Swift

Kingfishers:
Belted K. 

 

Nightjars:
Common Nighthawk

Hawks:
Sharp-shinned Hawk
Common Black Hawk 
Red-tailed Hawk
Broad-winged Hawk

Falcons:
Kestral
Peregrine Falcon
Merlin 
 
Cormorants
Double-crested Cormorant
Olivaceous Cormorant
 
Rails, Gallinules,& Coots:
Clapper Rail
Sora
Purple Gallinule
Common Gallinule
American Coot
Caribbean Coot
 
Oystercatchers: 
Maybe?
 
Plovers and Turnstones: 
Semipalmated Plover 
Piping Plover 
Thick-billed Plover
Snowy Plover
Killdeer 
Black-bellied Plover 
Lesser Golden Plover 
Ruddy Turnstone
 
Stilts: 
Common Stilt
 
Doves and Pigeons:
Red-necked Pigeon
White-crowned Pigeon
Feral Pigeon
Zenaida Dove
Ground Dove
Bridled Quail Dove
 
Thrushes: Veery 
Vireos: Black-whiskered
Hummingbirds:
Purple-throated Carib
Green-Throated Carib
Antillean Crested
Antillean Mango??
 

Woodpeckers:
Yellow-bellied Sapsucker
 
Tyrant Flycatchers:
Grey Kingbird
Stolid Flycatcher
Lesser Antillean Flycatcher
Lesser Antillean Peewee
Caribbean Elaenia
 
Ibises: 
Glossy Ibis 
 
Guineas:
Common Guinea 
 
Shearwaters:
Audubon's Shearwater
 
Storm Petrels:
Wilson's Storm Petrel
Leach's Storm Petrel
 

Reptiles and Amphibians:
Ground Lizard
Green Anole
Brown Anole
Geckos (Three species)
"Mountain Worm "or Blind Burrowing Snake
Sea Turtles: Green. Hawksbill, or Leatherback plus juvenile Loggerheads 
Frogs : West Indian Tree Frog, Cuban Tree Frog, Cochi, Marine Toad

Snipes and Sandpipers:
Common Snipe
Whimbrel
Spotted Sandpiper
Solitary Sandpiper
Greater Yellowlegs
Lesser Yellowlegs
Willet
Pectoral Sandpiper
Least Sandpiper
Semipalmated Sandpiper
Sanderling
Red Knot
Western Sandpiper
Stilt Sandpiper
American Dowitcher
Marbled Gotwit
Black-tailed Gotwit
Buff-breasted Sandpiper
Ruff
 
Skuas:
Pomarine Skua
 
Swallows:
Purple Martin
Caribbean Martin 
Bank Swallow 
Barn Swallow 
 
Mockingbirds & Thrashers:
Tropical Mockingbird 
Trembler 
Scaly-breasted Thrasher
Pearly-eyed Thrasher
 
Honeycreepers:
Bananaquit
 
Tanagers:
Summer Tanager
Blue-hooded Euphonia
Scarlet Tanager 
Mammals:
Bats (Free-tailed Bats, Leaf-nosed Bats, Flower Bats, and Fishing Bats)
Mongoose
Vervet monkey
Donkeys, Goats
Sheep, Pigs
Dogs, Cats
Cattle, Horses

 
 

References:

Birds of the West Indies
by James Bond

 
Birds of the Eastern Caribbean by Paul Evans
 
Birds of Nevis by Paul Hilder
 
The Natural History of the Island of Nevis by the Nevis Historical and Conservation Society 
 
 
Private Listings