Theristicus - Bird Genus / Ibises

Ibis Information and Listing of Species ... Ibis Species Photo Gallery

Black-faced Ibis (Theristicus melanopis)


Buff-necked Ibis (Theristicus caudatus), also known as the White-throated IbisTheristicus is a South American genus of Ibises (wading birds) that occur naturally inopen, grassy habitats.


Description

Ibises have long, decurved dark bills and relatively short reddish legs.

They resemble herons and share many of their habitats and behavioral traits, but unlike herons, ibises fly with necks outstretched and often in V-formation.


Species

Diet / Feeding

Ibises mostly feed in shallow waters on aquatic insects, mollusks, frogs, and food sifted from the water surface.

Their diet also includes insects caught on land, as well as lizards, worms, skinks, and other small reptiles.


Breeding

Most breeding activities are observed after the rainy season, when plenty of food is available.

They typically nest in colonies, often with other water birds.

The nests are shallow cup-shaped platforms of sticks, grasses or reeds that are typically situated on trees near a body of water, such as rivers, swamps or lakes. Although some ibises also make their nest amongst rocks and on cliffs,

The average clutch consists of 2 – 4 eggs. The nests are often reused year-after-year.


Species Research by Sibylle Johnson

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Plumbeous Ibis



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