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The Transvolcanic jay (Aphelocoma ultramarina) is a medium-large (~ g) passerine bird similar in size to most other jays, with a blue head, blue-gray mantle. Scientific Name: Aphelocoma ultramarina (Bonaparte, ). Common Name(s). English, –, Ultramarine Jay, Transvolcanic Jay. Click here for more information about the Red List categories and criteria. Justification of Red List category. This species has a very large range, and hence does.

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Garrulus Eurasian jay G. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. A recent decision by the American Ornithologists’ Union Check-list Committee elevated some populations of the Mexican jay to a separate species, called the Transvolcanic jay A. In other projects Wikimedia Commons Wikispecies. Taiwan blue magpie U.

Avibase has been visited , times since 24 June They do most of their insect hunting in the warmer months while in July they might visit the flowers of the Parry Agave Agave parryi for nectar and insects and then through December take acorns and pinyon nuts from trees. Adults have a black bill while juveniles retain a pale orange lower mandible through their first year and sometimes similar spots in their second year.

Habitat Montane pine Pinus and pine-oak Quercus woodlands; oaks may be scarce in some Subspecies and Distribution A.

Related taxa Other related concepts Aphelocoma [californica x ultramarina] hybrid Aphelocoma [ultramarina x unicolor] hybrid Other synonyms Catalan: The bill of adult Transvolcanic Jay is black, but the bill of the fledgling is pale pinkish or yellowishand may take up to three years to turn completely black.


Young are fed mostly insects and some acorn pieces. They usually poke or dig through the ground litter with their bills. This was because the type specimen was a Transvolcanic jay, meaning ultramarkna this species had precedent for the original Latin name A.

There are more than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than languages.

Young are hatched without feathers and with their eyes closed. Helpers are offspring from previous years. May be maintained by periodic fire. ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe.

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Glossary acoustic uses sound to communicate. In Mexico, Mexican Jays occur within a wider elevational range and more pine-oak habitats. Reports of less social behavior compared to other groups are over-stated and credible accounts of cooperative breeding Ligon and Husar and large flock sizes Bhagabati and Horvath exist. Head, sides of neck and nape blue while back a ultramsrina. Other related concepts Aphelocoma [californica x ultramarina] hybrid Aphelocoma [ultramarina x unicolor] hybrid.

Geai des volcans German: Hatching has been mostly observed in the morning with the female either eating or just taking away the pieces of shell that end up in the nest.

Populations to the north retained the common name Mexican jay, but the Latin name changed to A.

Contribute to Avibase Acknowledgements Flickr group Media stats Flickr group members Media wanted Translate Avibase is also available in the following languages: For the most part, unpaired males start to build a nest in order to attract an unpaired female in their group.

It has a cooperative breeding system similar to that of the related Florida scrub-jaywith several birds helping at a nest; these ” helpers ” are usually immature offspring of the dominant pair from the previous 1—2 years, but also include apparently unrelated flock members.


Mexican jay

This terrestrial biome includes summits of high mountains, either without vegetation or covered by low, tundra-like vegetation. The mating system of Mexican Jays seems rigid but in fact is quite flexible.

Aphelocoma wollweberi Kaup Ultramarine Jay Aphelocoma ultramarina.

The Birds of Ultrmarina America. It has a cooperative breeding system where the parents are assisted by other birds to raise their young. Most of the competition in the nest is for positioning near the visiting feeder. Race colimae at risk because its small range is undergoing extensive habitat clearance for Checklists There are more than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than languages.

Avibase checklists Search Avibase search Browse by families Contribute There are ultramarjna few ways by which you can help the development of this page, such as joining the Flickr group for photos or providing translations of the site in addition languages.

Ultramarine Jay (Aphelocoma ultramarina) – BirdLife species factsheet

Corvus Australian and Melanesian species Little crow C. Extant species of family Corvidae. The Academy of Natural Sciences. Its range somewhat overlaps with the western scrub-jays, but, where they co-occur, the two species seem to show ecological and morphological character displacement Curry et al. To make the most of all of HBW’s features, discover our subscriptions now!