Territorial Defense:

Tony Angell
Red-winged Blackbird

Cavity Nesting:

Tony Angell
Western Screech-Owl

Identifying Similar Species:

Don R. Eckelberry
Prairie and Peregrine Falcons

Predation:

Darryl Wheye
Cat and Duckling

Identifying Similar Species:

Julie Zickefoose
Cooper's and Sharp-shinned Hawks

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