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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Helpers are offspring from previous years. Skip to main content. Young are fed mostly insects and some acorn pieces.

There are aphelicoma than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms more than languages. The Transvolcanic jay inhabits montane forest in the Transvolcanic Belt of central Mexico.

Mexican jay – Wikipedia

In other projects Wikimedia Commons Wikispecies. Mexican Jays are greyish blue above and dirty white to ashy-grey below.

The Academy of Natural Sciences. Size variation among the groups does not always follow Bergmann’s rulewith more southerly populations in the Sierra Madre Oriental being larger than populations to the north.

Garrulus Eurasian jay G.

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Ultramarine Jay (Aphelocoma ultramarina) | HBW Alive

The Birds of North America. Fairly common throughout range.

However, they are primarily preyed upon by raptors especially at feeding stations or picnic areas. You must be logged in to view your sighting details.

Zavattariornis Stresemann’s bushcrow Z. To make the most of all of HBW’s features, discover our subscriptions now! Philadelphia 4 pt2 p. Corvus ultramarinus Avibase ID: Connect with us Help us improve the site by taking our survey. Genetic breaks in mitochondrial and microsatellite DNA occur abruptly between the groups, indicating some barriers to genetic exchange McCormack et al. At fledging, which occurs 24 to 28 days after hatching, young jays can actively fly aphelocoa a few meters before gliding down.

Accessed December 31, at https: To register to myAvibase click here. In birds, naked and helpless after hatching.

Females usually begin incubation after the third or penultimate egg has been laid. Lower back, rump, tail and wings blue. There are many ways to contribute—we need species information, photographs, audio, video, translations, maps, distribution data, and bird sightings. There are more than 12, regional checklists in Avibase, offered in 9 different taxonomies, including synonyms apheloocoma than languages.

Bird checklists – taxonomy – distribution – maps – links. Thus, as of this decision, there are now five described subspecies of Mexican jays that are divided into three divergent groups see below. Your sightings No sightings Add to a lifelist: He might also call to her with the Whisper song See Communication while spreading his wings. Handbook of the Birds of the World Alive.


Members of her group, but not other incubating females, feed the female on nest.

Related taxa Other synonyms Catalan: Status and conservation Not globally threatened Least Concern. At this age, their main form of locomotion is jumping, so if they get too far ultramatina or down a tree they can usually jump their way back up. Glossary acoustic uses sound to communicate. Found in coastal areas between 30 and 40 degrees latitude, in areas with a Mediterranean climate.

Mexican jay

The ADW Team gratefully acknowledges their support. Mexican Jays are found in habitats usually containing pine Pinus spp. Translate Avibase is also available in the following languages: Avibase is also available in the following languages: