Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Roost return sequence with social calls.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Roost return sequence with social calls.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Roost return sequence with social calls.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Clutter call sequence.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Open air search phase calls.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Roost approach sequence.
Photos / Sounds
What
Little Brown Bat (Myotis lucifugus)Observer
jszewczakDescription
Long low bandwidth call sample diagnostic of Myotis lucifugus
Photos / Sounds
What
Long-eared Myotis (Myotis evotis)Observer
jszewczakDescription
Western long-eared myotis.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
Yolo Basin Foundation BioBlitz. Free-tailed bat (Tadarida brasiliensis). Detail section from full pass sequence showing species-distinctive call variants.
Photos / Sounds
What
Big Brown Bat (Eptesicus fuscus)Observer
jszewczakDescription
Yolo Basin Foundation BioBlitz. Big brown bat (Eptesicus fuscus), charaterized by curved sweep of calls ending at a characteristic frequency near 30 kHz. Not the stingest of clearest record fo the evening, but posted because it shows sample calls that initiate near 70 kHz, a distinctive feature for this species.
Photos / Sounds
What
Western Red Bat (Lasiurus frantzii)Observer
jszewczakDescription
Yolo Basin Foundation BioBlitz. Western red bat characterized by variation of U-shaped call shape, characteristic frequency, and interval of calls; and a characteristic frequency near 40 kHz. Compressed view.
Photos / Sounds
What
Yuma Myotis (Myotis yumanensis)Observer
jszewczakDescription
Yolo Basin Foundation BioBlitz. Myotis yumanensis characterized by distinct change of slope in midsection of calls, and a characteristic frequency near 50 kHz. Also by foraging over water, typical for this species.
Photos / Sounds
What
Silver-haired Bat (Lasionycteris noctivagans)Observer
jszewczakDescription
March 28-29, 2014. BioBlitz 2014, Golden Gate National Parks, Marin County, CA. Muir Woods, Douglas Fir upstream of Cathedral Grove, top placement. 37 54’ 0” N 122 34’ 37.2” W. Equipment: D500x with external microphone mounted on pole ~4 m from top ~70m above ground. Microphone listening at ~15 dgr angle into open airspace opposite side of creek.
Conditions: 55F, calm, partly cloudy at start. Rain began 06:00 3.29.14.
Contacts: Joseph M. Szewczak and Leila S. Harris.
Analysis using SonoBat software with manual confirmation.
Photos / Sounds
What
Hoary Bat (Lasiurus cinereus)Observer
jszewczakDescription
March 28-29, 2014. BioBlitz 2014, Golden Gate National Parks, Marin County, CA. Muir Woods, Douglas Fir upstream of Cathedral Grove, top placement. 37 54’ 0” N 122 34’ 37.2” W. Equipment: D500x with external microphone mounted on pole ~4 m from top ~70m above ground. Microphone listening at ~15 dgr angle into open airspace opposite side of creek.
Conditions: 55F, calm, partly cloudy at start. Rain began 06:00 3.29.14.
Contacts: Joseph M. Szewczak and Leila S. Harris.
Analysis using SonoBat software with manual confirmation.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
March 28-29, 2014. BioBlitz 2014, Golden Gate National Parks, Marin County, CA. Muir Woods, Douglas Fir upstream of Cathedral Grove, top placement. 37 54’ 0” N 122 34’ 37.2” W. Equipment: D500x with external microphone mounted on pole ~4 m from top ~70m above ground. Microphone listening at ~15 dgr angle into open airspace opposite side of creek.
Conditions: 55F, calm, partly cloudy at start. Rain began 06:00 3.29.14.
Contacts: Joseph M. Szewczak and Leila S. Harris.
Analysis using SonoBat software with manual confirmation.
Photos / Sounds
What
Mexican Free-tailed Bat (Tadarida brasiliensis)Observer
jszewczakDescription
March 28-29, 2014. BioBlitz 2014, Golden Gate National Parks, Marin County, CA. Muir Woods, Douglas Fir upstream of Cathedral Grove, mid placement. 37 54' 0” N 122 34' 37.2” W. Equipment: D500x with external microphone mounted on pole extending 1.5 m off large, moss-covered limb, ~2/3 up tree, ~50m above ground. Microphone listening at ~horizontal into open airspace opposite of creek.
Conditions: 55F, calm, partly cloudy at start. Rain began 06:00 3.29.14.
Contacts: Joseph M. Szewczak and Leila S. Harris.
Analysis using SonoBat software with manual vetting.
