| Species Name | Status | See Also |
| Manatee, West Indian (=Florida) | E | FL |
| Blackbird, yellow-shouldered | E | |
| Falcon, American peregrine | E | AK, CA, MN, MT, NY, OH, PA, VT, WI |
| Falcon, Arctic peregrine | T | AK |
| Nightjar (=whip-poor-will), Puerto Rican | E | |
| Parrot, Puerto Rican | E | |
| Pelican, brown | E | |
| Pigeon, Puerto Rican plain | E | |
| Tern, roseate | T | MA, NY |
| Anole, Culebra Island giant | E | |
| Boa, Mona | T | |
| Boa, Puerto Rican | E | |
| Boa, Virgin Islands tree | E | VI |
| Gecko, Monito | E | |
| Iguana, Mona ground | T | |
| Turtle, green sea | T | FL |
| Turtle, hawksbill sea (=carey) | E | |
| Turtle, leatherback sea | E | VI |
| Turtle, loggerhead sea | T | FL |
| Coqui, golden | T | |
| Toad, Puerto Rican crested | T | |
| Bariaco | E | |
| Boxwood, Vahl's | E | |
| Capa rosa | E | |
| Cassia mirabilis | E | |
| Cobana negra | T | |
| Cranichis ricartii | E | |
| Daphnopsis hellerana | E | |
| Erubia | E | |
| Fern, elfin tree | E | |
| Goetzea, beautiful (matabuey) | E | |
| Higo chumbo | T | |
| Higuero de Sierra | E | |
| Holly, Cook's | E | |
| Ilex sintenisii | E | |
| Leptanthes eltorensis (Sci. name) | E | |
| Palma de manaca | T | |
| Palo colorado | E | |
| Palo de jazmin | E | |
| Palo de Nigua | E | |
| Palo de Ramon | E | |
| Palo de rosa | E | |
| Pelos del diablo | E | |
| Peperomia, Wheeler's | E | |
| Prickly-ash, St. Thomas | E | |
| Schoepfia arenaria | E | |
| Ternstroemia subsessilis | E | |
