Dichotomous Key/Hemiprocnidae

< Dichotomous Key

Key to Hemiprocnidae

1: Two white stripes clearly present on each side of head, one going from bill to back of head and the other going from bill to neck or chest.
2: Two white stripes scarcely or not present on head.

1

Hemiprocne comata: red patch present near eyes.
Hemiprocne mystacea: red patch not present near eyes.

2

Hemiprocne coronata: Patch of reddish color present near eyes.
Hemiprocne longipennis: Patch of reddish color absent near eyes.

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