beak 1. Totanus flavipes, Vieil. 2. Parra jacana, Linn. 3, 4. Aramus guarauna. 5. Rallus longirostris, Gmel.
1. Totanus flavipes, Vieil. 2. Parra jacana, Linn. 3, 4. Aramus guarauna. 5. Rallus longirostris, Gmel.