backwards' with rostrum meaning 'bill'.

Species

The genus contains four species.

Fossil record

One fossil species, R. sanctaneboulae Mourer-Chauviré, 1978, dates from the late Eocene of France.

Biology

Avocets have long legs and long, thin, upcurved bills which they sweep from side to side when feeding in the brackish or saline wetlands they prefer. Their plumage is pied,

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