Image Specifics

Species:

Common Name: passerine

Fauna: Bird, NA

Flora: NA, NA

Biome: terrestrial - NA

Substrate: NA

Contributor: Rabello Monteiro

Unidentified passerine sleeping in the forest understory at Uniao Biological Reserve, Rio de Janeiro State, Brasil. These birds raise their feathers and hide the head and appendages, turning into a ball to reduce energy loss.

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