Colaborador
Brandon Nooner Média deste colaborador Perfil
Data
Localização
Medicine Bow Trail
Val Verde, Texas, United States
Média deste local Lista Ilustrada- Idade
- Não especificado
- Sexo
- Não especificado
- Playback
- Não especificado
Detalhes da observação
Vocals best match McCall’s rather than Northern. I posted this list to the Facebook Advanced Bird ID page to confirm subspecies. The reply that helps most from Nathan Pieplow: I agree with McCall's... the key distinctions on the spectrogram are the nearly flat shape of the tremolo calls, with the highest bump right near the beginning, and the vaguely two-parted quality of the trill call. There is also a consensus between the current owl literature and other birders is that this should be the expected subspecies in the southern parts of the county
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