Bat Calls of Bayside

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Name Characteristic Frequency Range Call Shape Similar species Identification notes
White-striped Freetail Bat
Austronomus australis
10.0 – 15.0kHz Horizontal Saccolaimus flaviventris Flat, sloped. May become curved.
Gould's Wattled Bat
Chalinolobus gouldii
25.0 – 34.0kHz Curve, down swept tail Mormopterus species. Down-sweeping or no tail. Consecutive pulses frequency alternate.
Chocolate Wattled Bat
Chalinolobus morio
46.5 – 53.0kHz Curve, down swept tail Vespadelus vulturnus. Down sweeping tail.
Eastern False Pipistrelle
Falsistrellus tasmaniensis
35.0 – 39.0kHz Curve, no tail Scotorepens orion. Often steep. Absent or down sweeping tail.
Eastern Bentwing-bat
Miniopterus schreibersii oceanensis
43.0 – 48.0kHz Curve, down swept tail Vespadelus vulturnus, darlingtoni, regulus. Often down sweeping tail.
Mormopterus species
Mormopterus sp
22.0 – 36.0kHz Horizontal Chalinolobus gouldii
Large-footed Myotis
Myotis macropus
35.0 – 80.0kHz Vertical Nyctophilus sp Pulse interval below 75ms, initial slope more than 400 OPS
Lesser Long-eared Bat
Nyctophilus geoffroyi
35.0 – 80.0kHz Vertical Myotis macropus. Indistinguishable from other Nyctophilus species. Pulse interval more than 95ms. Initial slope below 300 OPS.
Yellow-bellied Sheathtail Bat
Saccolaimus flaviventris
17.5 – 22.5kHz Curve, no tail Mormopterus sp. Austronomus australia. Often displays harmonics, 28-30 and 9-13 kHz.
Western broad-nosed bat
Scotorepens balstoni
28.0 – 34.0kHz Curve, no tail Chalinolobus gouldii. Falsistrellus tasmaniensis. Scotorepens orion. Tail variable, usually down sweeping or absent. Pulse length always below 10ms. Knee frequency below 37, usually 31-33kHz.
Eastern Broad-nosed Bat
Scotorepens orion
34.5 – 37.5kHz Curve, down swept tail Falsistrellus tasmaniensis Tail absent, sometimes down sweeping. Knee frequency more than 30kHz.
Large Forest Bat
Vespadelus darlingtoni
38.0 – 46.0kHz Curve, up swept tail Miniopterus schreibersii. Vespadelus regulus. Vespadelus vulturnus. Tail absent or up sweeping. Even, consecutive pulses. Characteristic section often long.
Southern Forest Bat
Vespadelus regulus
40.0 – 55.0kHz Curve, no tail Miniopterus schreibersii. Vespadelus darlingtoni. Chalinolobus morio. Shape and frequency varies.
Little Forest Bat
Vespadelus vulturnus
42.5 – 53.0kHz Curve, up swept tail Chalinolobus morio. Miniopterus schreibersii. Tail almost always up sweeping. Fc often varies in single sequence.
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