Vocal communication is fairly complex, with calls including a harsh "shack, shooka" sound, and mimicry of a red-tailed hawk. not taken to preserve its habitat from human Population number. Field Guide to the Birds of North America. Behavior/Reproduction. In the southwestern U.S. and Mexico they also live in arid pine-oak woodland. The range of Steller’s jay begins Taxon Information family, Corvidae, in the Avian Order Passeriformes. 1998; National Geographic Society 1987). scientific name is Cyanocitta stelleri. Although C. stelleri are non-migratory birds, migration from high to lower elevation is known to take place during the winter season (Greene et al 1998; Kaufman 1996; National Geographic Society 1987; Terres 1980). offspring are produced in more than one group (litters, clutches, etc.) living in the Nearctic biogeographic province, the northern part of the New World. protecting their territory and young by warding off the Jays do not migrate to warmer The lifespan of the Steller’s jay They perform a display upon initial encounters called Sexual Sidling. Sign in Sign up for FREE Prices and download plans ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Steller's Jays also use antipredator displays, with mobbing (gathering in large numbers to vocally harass and fly at predators)the primary form of defense. They have black stripes on their tails and wings. The forehead generally has white and sky blue streaks. Flocks of various sizes form often, with mates rarely parting. of Steller’s jays to ward off predators. This jay is characterized by its Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes). The Steller's Jay is a striking bird with deep blue and black plumage and a long, shaggy crest. Mobbing is a defensive maneuver reproduction in which eggs are released by the female; development of offspring occurs outside the mother's body. Steller’s jay is not endangered. far north in Alaska, stretching south along the Rocky This material is based upon work supported by the Juveniles have sooty gray coloration Order: Passeriformes Range. regions during the winter, instead moving to lower What kind of bird is a Steller’s Jay? Search in feature Behavior. Adult C. stelleri average in length ranging from 30 to 34 cm., with a mass of 100-140 g. The wingspan varies from approximately 45 to 48 cm. Currently, this species is classified as Least Concern (LC) … Albatrosses (4) American sparrows, towhees and juncos (40) Auks, murres and puffins (9) Bird of prey (25) Bitterns and herons (12) Blackbirds, meadowlarks, cowbirds; grackles and New World oriole (17) Boobies, gannets and cormorants (10) dangerous bird. average difficulty from 5 ratings. Aggressive behaviors towards other The Steller's Jay (Cyanocitta stelleri) is a jay native to western North America, closely related to the Blue Jay found in the rest of the continent, but with a black head and upper body.It is also known as the Long-crested Jay, Mountain Jay, and Pine Jay.It is the only crested jay west of the Rocky Mountains. Synapomorphy of the Bilateria. Crest displays and an act called Aggressive Sidling are also used for establishing social status. Ground Forager. America. Steller's Jay Cyanocitta stelleri . Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services. The sexes are nearly monomorphic, with the exception of fainter and narrower bars in the barring pattern of females (Green et al. The entire head is usually black, although certain subspecies such as C. stelleri macrolopha may have white streaks along the forehead and supercilium. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. of about one foot. The black extends midway down its back and down its breast. Terres, J. BREEDING: Coniferous and mixed coniferous-deciduous forest, arid pine-oak woodland. During winter, C. stelleri depend upon seeds and nuts, though they may also scavenge and even prey upon small invertebrates that happen to be active within the habitat at the time (Greene et al 1998; Kaufman 1996; Sieving et al 1999). 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