Unicolored Jays

 
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Overview ... Alternate (Global) Names ... Subspecies, Ranges and ID ... Description ... Calls / Vocalizations ... Diet / Feeding


The Unicolored Jays (Aphelocoma unicolor) are dark-blue jays found in the wet cloud forests of Central America and Mexico.

Their range stretches from the Mexican states of San Luis Potosí (north-central Mexico) south to Veracruz (Eastern Mexico) and Guerrero (Southwestern Mexico) to west-central Honduras and El Salvador.

They are most common at elevations from about 7,000 - 10,000 feet (~2,100 and 3,050 meters).

These birds typically remain high in the canopy and only rarely come down to feed on the ground.

Subspecies and Ranges:

  • Unicolored Jay (Aphelocoma unicolor unicolor - Du Bus, 1847)- Nominate form
    • Range: Mountains of southeastern Mexico, around San Cristóbal and east along Sierra Madre to Pico de Loro, in Chiapas - and Guatemala, east in Sierra de las Minas to Chilasco
  • Unicolored Jay (concolor) (Aphelocoma unicolor concolor - Cassin, 1848)
    • Range: Mountains of southeastern Mexico - in eastern Hidalgo, west central Veracruz, eastern México, Puebla
  • Unicolored Jay (guerrerensis) (Aphelocoma unicolor guerrerensis - Nelson, 1903)
    • Mountains of southwestern Mexico, near Omilteme, in south central Guerrero
  • Unicolored Jay (oaxacae) (Aphelocoma unicolor oaxacae) Pitelka, 1946
    • Range: Central highlands of Oaxaca in southern Mexico.
  • Unicolored Jay (griscomi) (Aphelocoma unicolor griscomi - van Rossem, 1928)
    • Range: Mountains of northern El Salvador and western Honduras - from Los Esesmiles and Mt Pucca E to Alto Contoral and Rancho Quemado

Description

  • Plumage is a uniform dark blue, except for a small area of black around the eyes.
  • Crestless
  • Long-tailed
  • Heavy bill

Diet / Feeding

Diet consists of various nuts, seeds, fruits, berries, lichens, flowering plants (such as bromeliads), and animal food (insects, small rodents, lizards, etc.)

Calls / Vocalizations / Sounds

Alternate (Global) Names

Chinese: ???? ... Czech: Sojka jednobarvá ... Danish: Indigokratskade ... Dutch: Leiblauwe Gaai ... Estonian: maia sininäär ... Finnish: Sinipensasnärhi ... French: Geai unicolore ... German: Einfarbhäher ... Hungarian: egyszín? szajkó ... Italian: Ghiandaia unicolore ... Japanese: mujiaokakesu ... Norwegian: Indigoskrike ... Polish: modrowronka jednobarwna ... Russian: ??????????? ????????????? ????? ... Slovak: kapuciarka jednofarebná ... Spanish: Chara / grajo unicolor, Urraca Pinera, Urraca unicolor ... Swedish: Indigoskrika

 

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