Ardeidae
- Great Blue Heron Ardea herodias
- Great Egret Ardea alba
- Reddish Egret Egretta rufescens
- Tricolored Heron Egretta tricolor
- Little Blue Heron Egretta caerulea
- Snowy Egret Egretta thula
- Cattle Egret Bubulcus ibis
- Striated Heron Butorides striata Rare/Accidental
- Green Heron Butorides virescens
- Agami Heron Agamia agami
- Black-crowned Night-Heron Nycticorax nycticorax
- Yellow-crowned Night-Heron Nyctanassa violacea
- Boat-billed Heron Cochlearius cochlearius
- Bare-throated Tiger-Heron Tigrisoma mexicanum
- Fasciated Tiger-Heron Tigrisoma fasciatum
- Rufescent Tiger-Heron Tigrisoma lineatum
- Least Bittern Ixobrychus exilis
- Pinnated Bittern Botaurus pinnatus
- American Bittern Botaurus lentiginosus Rare/Accidental
Read more about this topic: List Of Birds Of Costa Rica