birds

Theristicus

Theristicus - Bird Genus / Ibises

Theristicus is a South American genus of Ibises (wading birds) that occur naturally in open, grassy habitats.

A Group Of Theristicus Looking For Food
A Group Of Theristicus Looking For Food

Description

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

They resemble herons and share many of their habitats and behavioural 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’s surface.

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

Theristicus Bird Sitting In Grass
Theristicus Bird Sitting In Grass

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.

Gordon Ramel

Gordon is an ecologist with two degrees from Exeter University. He's also a teacher, a poet and the owner of 1,152 books. Oh - and he wrote this website.

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