Cyanocorax morio
The Brown Jay (Cyanocorax morio) is a large, striking member of the Corvidae family, characterized by its glossy, dark brown to black plumage on the head, neck, back, and wings, which contrasts with a duller brown or grayish-brown underside, often lightening to off-white or pale buff on the vent and undertail coverts. Its body length typically ranges from 38 to 46 cm (15-18 inches), with a weight between 193-270 grams (6.8-9.5 oz). A key field mark for identification is its entirely dark brow...
Found primarily in tropical and subtropical lowland evergreen forests, open woodlands, and forest edges, often near clearings or human settlements. It also occurs in riparian corridors, pastures with scattered trees, and secondary growth from sea level up to about 1800 meters (6000 feet) in eleva...
Omnivorous, their diet consists mainly of large insects, other invertebrates, and small vertebrates, supplemented by a significant amount of fruits, berries, and seeds, foraged by gleaning from vegetation and probing on the ground.
Brown Jays are highly gregarious and diurnal, typically moving in noisy, cohesive flocks of 6 to 20 individuals, which often comprise multiple generations. These social groups maintain a territory throughout the year, communicating with a rich repertoire of harsh calls, chattering, and whistles. ...
The Brown Jay is a year-round resident throughout its extensive Neotropical range, stretching from the southernmost tip of Texas in the United States, south through eastern and southern Mexico, and continuously through Central America. Its distribution includes Belize, Guatemala, Honduras, El Sal...
Least Concern
- Brown Jays are highly intelligent, capable of problem-solving and social learning within their complex flock structures. - They are known to exhibit vocal mimicry, imitating the calls of other bird species and sometimes even human sounds. - Their cooperative breeding system can involve up to 10...