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Steller's Jay, Flagstaff Pulliam Airport, AZ, November 5, 2012
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Steller's Jay looking down.
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Cyanocitta stelleri
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curious stellar's jay (fay bainbridge state park)
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Cyanocitta stelleri macrolopha (Baird, 1854) - Steller’s jay in Rocky Mountains National Park, northern Colorado, USA (photo by Mary Ellen St. John). Jays, crows, and ravens (Family Corvidae) have the largest body sizes of any passerine bird group in the world. Corvid passerine birds are omnivorous, aggressive, usually gregarious, have harsh calls, powerful beaks, and limited to no sexual dimorphism. These birds typically have bristles covering the nostrils along the upper proximal portions of the beak. The Steller’s jay is a medium-sized bird with grayish-black plumage on the upper body, head, and crest, and dark blue plumage on the lower body and tail. Steller’s jays are essentially omnivorous. They’ve been observed to be granivores (acorns/nuts/seeds), insectivores, frugivores (berries/fruit), and carnivores (small birds/frogs). Steller’s jays principally occupy evergreen forests in southern Alaska, western Canada, western America, and Mexico. Classification: Animalia, Chordata, Vertebrata, Aves, Passeriformes, Corvidae Birds are small to large, warm-blooded, egg-laying, feathered, bipedal vertebrates capable of powered flight (although some are secondarily flightless). Many scientists characterize birds as dinosaurs, but this is consequence of the physical structure of evolutionary diagrams. Birds aren’t dinosaurs. They’re birds. The logic & rationale that some use to justify statements such as “birds are dinosaurs” is the same logic & rationale that results in saying “vertebrates are echinoderms”. Well, no one says the latter. No one should say the former, either. However, birds are evolutionarily derived from theropod dinosaurs. Birds first appeared in the Triassic or Jurassic, depending on which avian paleontologist you ask. They inhabit a wide variety of terrestrial and surface marine environments, and exhibit considerable variation in behaviors and diets.
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Summary[
edit] Description: Deutsch: OLYMPUS DIGITAL CAMERA. Date: 5 September 2014, 23:22:59. Source: Own work. Author:
Transmittermast.
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Description: Cyanocitta stelleri Grand Canyon Stellar's Jay. Date: 20 March 2008, 01:14. Source:
Stellar's Jay Uploaded by
berichard. Author:
Linda Tanner from Los Osos, California, U.S.A.
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Bluford 20 Steller's Jay
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Cyanocitta stelleri macrolopha (Baird, 1854) - Steller’s jay in Rocky Mountains National Park, northern Colorado, USA (photo by Mary Ellen St. John). Jays, crows, and ravens (Family Corvidae) have the largest body sizes of any passerine bird group in the world. Corvid passerine birds are omnivorous, aggressive, usually gregarious, have harsh calls, powerful beaks, and limited to no sexual dimorphism. These birds typically have bristles covering the nostrils along the upper proximal portions of the beak. The Steller’s jay is a medium-sized bird with grayish-black plumage on the upper body, head, and crest, and dark blue plumage on the lower body and tail. Steller’s jays are essentially omnivorous. They’ve been observed to be granivores (acorns/nuts/seeds), insectivores, frugivores (berries/fruit), and carnivores (small birds/frogs). Steller’s jays principally occupy evergreen forests in southern Alaska, western Canada, western America, and Mexico. Classification: Animalia, Chordata, Vertebrata, Aves, Passeriformes, Corvidae Birds are small to large, warm-blooded, egg-laying, feathered, bipedal vertebrates capable of powered flight (although some are secondarily flightless). Many scientists characterize birds as dinosaurs, but this is consequence of the physical structure of evolutionary diagrams. Birds aren’t dinosaurs. They’re birds. The logic & rationale that some use to justify statements such as “birds are dinosaurs” is the same logic & rationale that results in saying “vertebrates are echinoderms”. Well, no one says the latter. No one should say the former, either. However, birds are evolutionarily derived from theropod dinosaurs. Birds first appeared in the Triassic or Jurassic, depending on which avian paleontologist you ask. They inhabit a wide variety of terrestrial and surface marine environments, and exhibit considerable variation in behaviors and diets.
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Cyanocitta stelleri This curious bird followed us around. I was surprised to see one up here at 950 meters, I am used to seeing these in the lowland. Goat Lake Snohomish County, Washington, USA
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Cyanocitta stelleri macrolopha (Baird, 1854) - Steller’s jay at Horseshoe Park Overlook, northeastern Rocky Mountains National Park, northern Colorado, USA. Jays, crows, and ravens (Family Corvidae) have the largest body sizes of any passerine bird group in the world. Corvid passerine birds are omnivorous, aggressive, usually gregarious, have harsh calls, powerful beaks, and limited to no sexual dimorphism. These birds typically have bristles covering the nostrils along the upper proximal portions of the beak. The Steller’s jay is a medium-sized bird with grayish-black plumage on the upper body, head, and crest, and dark blue plumage on the lower body and tail. Steller’s jays are essentially omnivorous. They’ve been observed to be granivores (acorns/nuts/seeds), insectivores, frugivores (berries/fruit), and carnivores (small birds/frogs). Steller’s jays principally occupy evergreen forests in southern Alaska, western Canada, western America, and Mexico. Classification: Animalia, Chordata, Vertebrata, Aves, Passeriformes, Corvidae Birds are small to large, warm-blooded, egg-laying, feathered, bipedal vertebrates capable of powered flight (although some are secondarily flightless). Many scientists characterize birds as dinosaurs, but this is consequence of the physical structure of evolutionary diagrams. Birds aren’t dinosaurs. They’re birds. The logic & rationale that some use to justify statements such as “birds are dinosaurs” is the same logic & rationale that results in saying “vertebrates are echinoderms”. Well, no one says the latter. No one should say the former, either. However, birds are evolutionarily derived from theropod dinosaurs. Birds first appeared in the Triassic or Jurassic, depending on which avian paleontologist you ask. They inhabit a wide variety of terrestrial and surface marine environments, and exhibit considerable variation in behaviors and diets.
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Oregon 2014
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Adult
Steller's jay exhibiting a blue streak on its black crests, common on the Pacific Coast.
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Stellar's Jay from the back.
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North Lake, Golden Gate Park, San Francisco, CA
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Steller's Jay