What behavior may explain aggressive close-contact interactions observed outside the core breeding season?
Answer
Establishing or defending a winter feeding territory
Biologists suggest that some aggressive, close-contact behavior observed outside the breeding season might be linked to the bird establishing or defending a reliable winter feeding territory.

Related Questions
What signature physical mannerism is characteristic of the Eastern Phoebe when perched?To which bird family does the Eastern Phoebe belong?What historical distinction relates to the Eastern Phoebe and John James Audubon?Which primary materials are used by Eastern Phoebes when constructing their nests?Before human structures became widespread, what natural sites did Phoebes likely use for nesting?When a Phoebe follows a person gardening, what is its primary motivation for this action?What is the current conservation classification for the Eastern Phoebe population?What behavior may explain aggressive close-contact interactions observed outside the core breeding season?How does the Eastern Phoebe's natural social structure contrast with its behavior when intensely focused on a single human?If wishing to cultivate a closer viewing relationship, what food source should one *not* focus on offering Phoebes?What specific requirement is central to cultivating a close, detached relationship with local Phoebes?