American Cliff Swallow
Petrochelidon pyrrhonota

cliff
penhasco

Cliff Flycatcher
Hirundinea ferruginea

Cliff Parakeet
Myiopsitta luchsi

close in
they closed in on the edge of the cliff

Mocking Cliff Chat
Thamnolaea cinnamomeiventris

Preuss's Cliff Swallow
Petrochelidon preussi

Red Sea Cliff Swallow
Petrochelidon perdita

Red-throated Cliff Swallow
Petrochelidon rufigula

sheer
sheer cliff

smite
the waves smote upon the cliff

South African Cliff Swallow
Petrochelidon spilodera

topple
to topple over a cliff

White-crowned Cliff Chat
Thamnolaea coronata

White-winged Cliff Chat
Monticola semirufus