| Common Name | Scientific name |
|---|---|
| Lesser Antillean Flycatcher | Myiarchus oberi |
| Lesser Antillean Pewee | Contopus latirostris |
| Lesser Antillean Saltator | Saltator albicollis |
| Lesser Antillean Swift | Chaetura martinica |
| Lesser Antillean Tanager | Tangara cucullata |
| Lesser Black-backed Gull | Larus fuscus |
| Lesser Blue-eared Starling | Lamprotornis chloropterus |
| Lesser Elaenia | Elaenia chiriquensis |
| Lesser Flamingo | Phoeniconaias minor |
| Lesser Frigatebird | Fregata ariel |
| Lesser Goldfinch | Spinus psaltria |
| Lesser Greenlet | Pachysylvia decurtata |
| Lesser Grey Shrike | Lanius minor |
| Lesser Ground-Cuckoo | Morococcyx erythropygus |
| Lesser Kestrel | Falco naumanni |
| Lesser Kiskadee | Pitangus lictor |
| Lesser Koa-Finch | Rhodacanthis flaviceps |
| Lesser Nighthawk | Chordeiles acutipennis |
| Lesser Prairie-Chicken | Tympanuchus pallidicinctus |
| Lesser Redpoll | Acanthis cabaret |
| Lesser Roadrunner | Geococcyx velox |
| Lesser Sand Plover | Charadrius mongolus |
| Lesser Scaup | Aythya affinis |
| Lesser Short-toed Lark | Alaudala rufescens |
| Lesser Spotted Eagle | Clanga pomarina |
RingBase adheres to EURING codes.
