Chordates •

White-breasted thrasher

(Ramphocinclus brachyurus)


The white-breasted thrasher is in average 23 to 25 cm long,and weight from 48 to 60 g depending on sex and subspecies.An adult bird has a dark brown plumage with a white throat,breast,and belly.Its dark beak is long and slightly decurved towards the tip.Several dark bristles are located around the lores,between the red eyes and nostrils of the bird.This medium-sized passerine has long and strong black legs and can live up to 7–8 years.Males and females are sexually monomorphic,thus identical in size and coloration.This bird is difficulty sexed by hand or sight due to sexual monomorphism.Males and females have the same plumage and only breeding females can be identified during breading season by their brood patch.The plumage of an immature white-breasted thrasher is uniformly brown,with a brown throat and a greyish belly.The white patch on its breast will develop with age,around a month later.When the bird is in its first year,it can be differentiated to an adult bird by the rusty brown colour of its upper-parts,and its brownish eye color.

Taxonomic tree:

Kingdom: Animalia
Class: Aves
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