Backyard BirdsUncategorized

Unicolored Jays

Unicolored Jays (Aphelocoma unicolor)

 

OverviewAlternate (Global) NamesSubspecies, Ranges and IDDescriptionCalls / VocalizationsDiet / Feeding


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

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 Jays  (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 Jays (concolor) (Aphelocoma unicolor concolor – Cassin, 1848)
    • Range: Mountains of southeastern Mexico – in eastern Hidalgo, west central Veracruz, eastern México, Puebla
  • Unicolored Jays (guerrerensis) (Aphelocoma unicolor guerrerensis – Nelson, 1903)
    • Mountains of southwestern Mexico, near Omilteme, in south central Guerrero
  • Unicolored Jays (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

 

Relevant Web Resources:


 

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Gordon Ramel

Gordon is an ecologist with two degrees from Exeter University. He's also a teacher, a poet and the owner of 1,152 books. Oh - and he wrote this website.

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