Assertion: black capped chickadee | /r/HasProperty | a number of bird species
Facets:
value: in parts of western canada
type: LOCATION
Source sentences:
text: In the states of Alaska and Washington, and in parts of western Canada, black-capped chickadees are among a number of bird species affected by an unknown agent that is causing beak deformities which may cause stress for affected species by inhibiting feeding ability, mating, and grooming.