Grzimek Birds
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- plain-pouched hornbill
Rhyticeros subruficollis
- plain-pouched hornbill
- bank swallow
Riparia riparia
- bank swallow
- black-legged kittiwake
Rissa tridactyla
- black-legged kittiwake
- short-winged grebe
Rollandia microptera
- short-winged grebe
- crested partridge
Rollulus rouloul
- crested partridge
- greater painted-snipe
Rostratula benghalensis
- greater painted-snipe
- Andean cock-of-the-rock
Rupicola peruvianus
- Andean cock-of-the-rock
- Guianan cock-of-the-rock
Rupicola rupicola
- Guianan cock-of-the-rock
- Guianan cock-of-the-rock
Rupicola rupicola
- Guianan cock-of-the-rock
- Ruwenzori turaco
Ruwenzorornis johnstoni
- Ruwenzori turaco
- black skimmer
Rynchops niger
- black skimmer
- secretary bird
Sagittarius serpentarius
- secretary bird
- Okinawa woodpecker
Sapheopipo noguchii
- Okinawa woodpecker
- king vulture
Sarcoramphus papa
- king vulture
- comb duck
Sarkidiornis melanotos
- comb duck