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Titolo:
Pinnae and echolocation call differences between Myotis californicus and M-ciliolabrum (Chiroptera : Vespertilionidae)
Autore:
Gannon, WL; Sherwin, RE; deCarvalho, TN; OFarrell, MJ;
Indirizzi:
Univ New Mexico, Museum SW Biol, Div Mammals, Albuquerque, NM 87131 USA Univ New Mexico Albuquerque NM USA 87131 mmals, Albuquerque, NM 87131 USA Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA Univ New Mexico Albuquerque NM USA 87131 Biol, Albuquerque, NM 87131 USA OFarrell Biol Consulting, Las Vegas, NV 89108 USA OFarrell Biol Consulting Las Vegas NV USA 89108 , Las Vegas, NV 89108 USA
Titolo Testata:
ACTA CHIROPTEROLOGICA
fascicolo: 1, volume: 3, anno: 2001,
pagine: 77 - 91
SICI:
1508-1109(2001)3:1<77:PAECDB>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
INSECTIVOROUS BATS; MORPHOLOGY;
Keywords:
bat calls; Anabat; ear; acoustics; ANOVA; principal component analysis; sexual dimorphism;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Gannon, WL Univ New Mexico, Museum SW Biol, Div Mammals, Albuquerque, NM 87131 USA Univ New Mexico Albuquerque NM USA 87131 querque, NM 87131 USA
Citazione:
W.L. Gannon et al., "Pinnae and echolocation call differences between Myotis californicus and M-ciliolabrum (Chiroptera : Vespertilionidae)", ACTA CHIROP, 3(1), 2001, pp. 77-91

Abstract

We measured the shape of pinnae from fluid-preserved, museum specimens of 33 Myotis californicus and 39 M. ciliolabrum and cranial characters from 40skulls of each species. We also measured 40 specimens of Eptesicus fuscus,which were used as an outgroup. Significant differences were found in aural shape and tragus height between the two species of Myotis. Archived echolocation calls from the two species from across the range segregated, further suggesting that morphological and call characters are intercorrelated. Wetested this relationship using 17 M. californicus and 12 M. ciliolabrum captured in the field for external measurements and echolocation call recordings (n = 1,124 calls in 52 call files, (x) over bar = 2.3 call files per released bat), and found significant differences (most P < 0.001) in pinnae and call morphology between M. ciliolabrum and M. californicus similar to those observed in 'museum' samples. We found that small interspecific differences in pinna shape and size are correlated with differences in the frequency ranges (larger pinna, lower frequency).

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Documento generato il 16/02/20 alle ore 20:43:48