ヒメアオカケス Cyanolyca nanus

Small, overall blue jay. Very local and endemic to humid pine-evergreen forest of mountains in southeastern Mexico. Usually travels in pairs or small groups, often in association with larger and more conspicuous Steller’s Jay. Forages at all levels, usually well hidden in dense vegetation. Plumage dark blue overall with pale blue throat and black mask bordered by narrow pale blue eyebrow. Often best located by voice.