Robuta

https://species.wikimedia.org/wiki/Aerodramus_unicolor

Aerodramus unicolor - Wikispecies

aerodramus unicolor wikispecies

https://animaldiversity.org/accounts/Aerodramus/classification/

Aerodramus (edible-nest swiftlets) | CLASSIFICATION | Animal Diversity Web

edible nest swiftlets animal diversity web aerodramus classification