Physical Description
Size
Native Habitat
Lifespan
Communication
Food/Eating Habits
Social Structure
Scarlet ibises are social birds that form flocks of 30 or more individuals. A flock of ibises is called a “congregation”. These flocks often coexist with other bird species, forming a mutualistic relationship where each species works together for food, safety and protection.
Reproduction and Development
Scarlet ibises are polygynous, meaning one male may breed with multiple females. Males engage in courtship displays, such as preening and rocking, to attract potential breeding partners. Breeding pairs will also intertwine their necks during courtship.
In the Southern Hemisphere breeding typically occurs during mid-September, and the female lays a clutch of 3-5 pale green and brown-streaked eggs in November or December. In the Northern Hemisphere breeding and nesting season runs between June and August.
Nests are constructed in trees and are incubated by both parents for about three weeks. After the eggs hatch, chicks are cared for by both parents.
Young scarlet ibises can swim before they can fly. Baby ibises are born with soft, downy black feathers. It takes about 18 months for the feathers to fully develop into their adult red color. Chicks are usually capable of living on their own after about 35 days.
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