Dark Woolly Bat Kerivoula furva Found in Qianfoshan National Nature Reserve,Sichuan,China
A survey on the diversity of Chiroptera was conducted in Qianfoshan National Nature Reserve,Sichuan Province,China in August 2021.A male adult Kerivoula bat was collected during the survey by using a two-bank harp trap.Its forearm length is 29.95 mm.It is covered with dense and soft dark brown hair,and the auricle is round and funnel-shaped(Fig.1).The bat sounds were recorded by using an Acoustic Bat Detector(Pettersson D1000X,Pettersson Elektronik AB)and were analyzed with the software Batsound 3.3(Pettersson Elektronik AB).The echolocation signal is the frequency modulated(FM)type,and the harmonic frequency during flight is reduced from 231.4±8.5 kHz to 88.8±1.9 kHz,with the dominant frequency mostly being 118.7±2.3 kHz(Table 1,Fig.5,6).Phylogenetic trees were also constructed based on COI,Cyt b,and Rag2 genes,respectively(Fig.2-4).The external,morphometric,acoustic and molecular phylogenetic evidences support the identification of Dark Woolly Bat K.furva.This discovery confirmed the occurrence of this rare species in Sichuan Province of China.
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