Mammalogy LAB Althoff Acoustic Monitoring - BATS
Sound Basics INFRA SOUND Human ULTRA SOUND
From Neuweiler (1990). Biology of Bats. Fig Best Frequency of Audition (kHz) Foraging height above ground (m) _____ _______
(some) Ohio Bats General Range of Echolocations 35kHz 40kHz >40kHz Silver-haired bat Big Brown bat Red bat 20 kHz 25 kHz Hoary bat Indiana bat Little brown bat Long-eared bat ___kHz bats ______ kHz bats
Acoustic Monitoring Equipment ACTIVE vs. PASSIVE ________ Wildlife Acoustics – __________ __________
Acoustic Monitoring Software ANALYSIS ____________ SonoBat 3.0x BatScan
Keying Out/ID: _________ & __________
Keying Out/ID: Range & Steepness
Can you ID? Range: _________ Steepness: Steep Curved Flat Species: _______________ 1
Can you ID? Range: _________ Steepness: Steep Curved Flat Species: _______________ 2
Can you ID? Range: _________ Steepness: Steep Curved Flat Species: _______________ 3
Can you ID? Range: _________ Steepness: Steep Curved Flat Species: _______________ 4