The Black-chested Jay (Cyanocorax affinis) lives from Costa Rica to North Colombia and Northwest Venezuela. They inhabit in gallery woodland, forest cacao plantations and banana plantations. Matures are 36 cm (14 inches) in height and 205 g in weight.
This large bird has sides of head, throat and breast black. A short blue malar stripe, nape purplish, wings and tail dark violet-blue, and bill and feet black. Its diet is based on insects, small lizards and frogs, fruits and many sorts.