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Boletín Científico. Centro de Museos. Museo de Historia Natural
Print version ISSN 0123-3068
Abstract
ARBELAEZ-CORTES, Enrique et al. First ornithological expedition to Coromoro, Santander, Colombia. Bol. Cient. Mus. Hist. Nat. Univ. Caldas [online]. 2023, vol.27, n.1, pp.131-144. Epub Sep 19, 2023. ISSN 0123-3068. https://doi.org/10.17151/bccm.2023.27.1.9.
Objective:
To present the results of an ornithological expedition to the municipality of Coromoro, in the south of Santander department, carried out to obtain the first records supported by voucher specimens or sound recordings.
Methodology:
Birds were sampled with mist nets (845 h/net) and with standardized sound recordings (seven hours) in May 2021 around two camps in vereda Naranjal and vereda Guadual, between 2014 and 3121 m.a.s.l. in Coromoro.
Results:
A total of 72 bird species was recorded, 47 supported by voucher specimens and 40 by sound recordings. A comparison with records of other ornithological expeditions indicated that 78% of the species documented in this expedition has been recorded within 50 km of our camps, but 58% of the records date from more than 20 years ago. New populations of endemic species and evidence that 10 species could be in their reproductive season are reported based on gonads size or skull ossification.
Conclusions:
The expedition to Coromoro fills geographic information gaps for the avifauna of this region of the Colombian Andes and provides material to expand their knowledge.
Keywords : Andes; biological collections; birds; montane forest; sound recordings.