Family Crows and Jays (Corvidae)


Dwarf Jay (Cyanolyca nanus)


French: Geai nain German: Zwerghäher Spanish: Chara enana

Cyanocorax nanus

du Bus de Gisignies

, 1847,



See C. mirabilis. Monotypic.


Mountains in N Hidalgo#R, Veracruz and adjacent Puebla and Oaxaca (sierras of Juárez, Aloapaneca and Zempoaltepec), in E Mexico.

Descriptive notes

20–23 cm; 40–42 g. Forehead is lavender-coloured, crown and rest of upperparts, including upperwing and tail, cyan-blue, lores, malar region and ear-coverts black... read more


Small vocal repertoire. Most common vocalization a nasal and harsh, but high-pitched double... read more


Humid mixed pine-oak-fir (Pinus-Quercus-Abies) forests between 1400 m... read more

Food and feeding

Arthropods; no records of vegetable items in diet. Foraging individuals investigate in and around epiphytes, including clumps of bromeliads... read more


Laying from late Mar to late Apr, and completely independent young in loose flocks in early Jul. Solitary nester, breeding as simple pair.... read more



Status and conservation

VULNERABLE. Restricted-range species: present in Southern Sierra Madre Oriental EBA. Fairly common to uncommon and local; recent records from extreme E Querétaro (... read more

Recommended citation

dos Anjos, L. (2020). Dwarf Jay (Cyanolyca nanus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 21 February 2020).