Travis Mahan:
Audio Spectrogram of Type 3 Red Crossbill Alternative Calls
Travis Mahan:
Audio Spectrogram of Type 2 Red Crossbill Alternative Calls
Travis Mahan:
Audio Spectrogram of Type 3 Red Crossbill Flight Calls
Travis Mahan:
Red Crossbill
Travis Mahan:
Red Crossbill
Travis Mahan:
Audio Spectrogram of White-winged Crossbill
Travis Mahan:
Audio Spectrogram of Type 2 Red Crossbills
Travis Mahan:
White-winged Crossbill
Travis Mahan:
White-winged Crossbill
Travis Mahan:
White-winged Crossbill
Travis Mahan:
Audio Spectrogram of Likely Type 2 Red Crossbill Excitement Calls
Travis Mahan:
Audio Spectrogram of Type 2 and 3 Red Crossbills
Travis Mahan:
Audio Spectrogram of Type 2 and 3 Red Crossbills
Travis Mahan:
Audio Spectrogram of Type 2 and 3 Red Crossbills
Travis Mahan:
Audio Spectrogram of Type 3 Red Crossbills
Travis Mahan:
Audio Spectrogram of Type 3 Red Crossbill
Travis Mahan:
Red Crossbill
Travis Mahan:
Red Crossbill
Travis Mahan:
White-winged Crossbills
Travis Mahan:
White-winged Crossbill
Travis Mahan:
Red Crossbill
Travis Mahan:
Audio Spectrogram of Type 3 Red Crossbill
Travis Mahan:
White-winged Crossbill
Travis Mahan:
Red Crossbill
Travis Mahan:
Audio Spectrogram of Type 2 Red Crossbills