We bring you vocalizations of more than 250 species found in this region, including call types not found on any other western audio guide.
All sound files are in .wav format and can be played using conventional sound playing software.
The samples on the actual CDs are some of the longest presented on any sound guide. Unique to the disjunct Gunnison population, note that the male gives a series of pops in his display. Aggressive song delivered simultaneously by two or more males. Calliope Hummingbird Stellula calliope High-pitched, sharp tsew call. Ziiing vocalization given during U-shaped aerial display dive.