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Unicolored Jay Aphelocoma unicolor



Has a strategy of cooperative breeder, i.e. the offsprings of the previous year and the females of the group (called helpers) assist to parents in building the nest and care of new chicks. The mother is responsible for incubating the eggs, and start once it has puts the penultimate egg. Juveniles are cared by several weeks before they leave the nest altogether.

The nest is a platform of long branches in the outer and thin twigs in the center, in the middle has a cup woven with fine materials such as hair and rootlets. The eggs are gray-bluish to pale gray with brown markings.

Recommended Citation

Unicolored Jay (Aphelocoma unicolor), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: