Open AccessBreeding biology and biometrics of Myiozetetes c. cayanensis (Aves: Tyrannidae) in southwest Brazilian Amazonia with breeding season in Brazil
Author(s) -
Jônatas Lima,
Edson Guilherme
Publication year - 2021
Publication title -
revista peruana de biología
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.22
H-Index - 20
eISSN - 1727-9933
pISSN - 1561-0837
DOI - 10.15381/rpb.v28i3.20475
Subject(s) - nest (protein structural motif) , amazon rainforest , avian clutch size , incubation , biology , dry season , seasonal breeder , wet season , incubation period , ecology , acre , subspecies , reproduction , nesting season , zoology , predation , agroforestry , biochemistry
Our study provides information on the breeding and biometrics of Rusty-Margined Flycatcher Myiozetetes cayanensis in southwest Brazilian Amazonia. Myiozetetes cayanensis is distributed from Central America until north of South America. We made observations on reproduction and captures of this species in a terra firme forest fragment in the state of Acre, between 1999 and 2020 and we evaluated the breeding season in Brazil through citizen science data. We monitored nine nests between 2012 and 2020, built at a mean height of 1.8 m above ground. Clutch size was two, three or four eggs, incubated for 15 days. We monitored the development of six nestlings: minimum hatch weight was 2 g and young fledged with a mean mass of ca. 25.5 g. The constant growth rate (K) of nestlings was 0.18 with a growth asymptote of 22.8 g. Daily survival rate was 90% and 100% during the incubation and nestling periods, respectively. The Mayfield success in the incubation and nestling periods was 20 and 100%, respectively. Apparent nesting success in the incubation and nestling periods was 46 and 100%, respectively. We recorded a minimum longevity of 2 years, nine months and 26 days. The subspecies M. c. cayanensis start to nest mainly between the dry and rainy season in Brazil, overlapping with the molt period in southwest Amazonia.