American Crows are fairly common and conspicuous throughout most of the lower 48 states outside the southwestern deserts.
Binaural recording is a method of recording sound that uses two microphones, arranged with the intent to create a 3-D stereo sound sensation for the listener.
The Carolina chickadee (Poecile carolinensis) is a small passerine bird in the tit family Paridae. Adults are 11.5–13 cm (4.5–5.1 in) long with a weight of 9–12 g (0.32–0.42 oz) and have a black cap and bib with white sides to the face. Their underparts are white with rusty brown on the flanks; their back is grey. They have a short dark bill, short wings, and a moderately long tail.