Sentences with phrase «swiftlet birds»

Up high along the cave's walls, swiftlet birds zoom in and out of their nests.

Wrinkle - lipped bats hang from the cave ceiling while swiftlet birds roost on the walls.

Not exact matches

These, in a cornfield in Selangor, Malaysia, are fitted with electronic tweeters playing swiftlet calls to attract the birds.

The cave also houses the «edible» swiftlet nests - once used to make birds» nest soup.