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The variation in the presence of a black collar and crest among blue jays is primarily due to genetic differences and individual variations within the species. Factors such as age, health, and environmental conditions can also influence these features. Additionally, some blue jays may exhibit variations in plumage due to regional differences or hybridization with closely related species. Overall, these traits can be influenced by a combination of genetics and environmental factors.
What else can I help you with?
What are the four branches in the 39 clues?
The Red Crest Is Lucian,The Green Crest is Janus,The Yellow Crest Is Ekaterina,The Black Crest Is Madrigals,And The Blue Crest is Tomas. :)
What is the physical appearance of a blue jay without a crest?
A blue jay without a crest has a blue body with white underparts, black markings on its wings and tail, and a black necklace-like band around its neck.
What colors are tui?
A tui is Blue with black wings and a white collar.
Is storekeeper a blue-collar or white-collar?
White Collar job
What is a blue collar supervisor?
a supervisor that wears a blue collar
Are teachers blue or white collar workers?
white collar-----> blue collar is labor work
What are the six collar colors in Nintendogs?
There are red, black, blue, green, orange, and purple collars.
Is a doctor a white collar or blue collar?
White collar.
Is Applebee's white or blue collar?
No employer is blue collar or any other collar. OCCUPATIONS are informally called that.
Who is Sisyes the leader of ClawClan?
A white she-cat with one Black paw and Ice blueyes and black dog teeth and a blue collar
What is blue-collar employee?
Blue collar usually refers to a manual worker.
When was The Blue Collar Sessions created?
The Blue Collar Sessions was created in 2002.
