accipitridae
alert
avian
avifauna
beak
biodiversity
biology
bird
buteo
buto lineatus
canada
dendrology
ecology
environment
feed
forest
forestry
habitat
juvenile
look
nesting
north america
nozzle
ornithology
perched
plugged
predation
prey
quebec
rapacious
retention
shoulder nozzle
take care
tree
trunk
united states
wait
wildlife
young
zoology