Red-Winged Blackbird
Agelaius phoeniceus

Redhead
Aythya americana

Ring-Necked Duck
Aythya collaris

Ring-Tailed Lemur
Lemur catta

Rock Squirrel
Otospermophilus variegatus

Roseate Spoonbill
Platalea ajaja

Royal Tern
Thalasseus maximus

Ruby-Crowned Kinglet
Corthylio calendula

Ruby-Throated Hummingbird
Archilochus colubris

Ruddy Duck
Oxyura jamaicensis

Ruddy Turnstone
Arenaria interpres

Savannah Sparrow
Passerculus sandwichensis

Scarlet Ibis
Eudocimus ruber

Scarlet Macaw
Ara macao

Scarlet Tanager
Piranga olivacea