Pierwszy opis miejsc gniazdowych endemicznego podgatunku trzęsiogona szarobocznego ; Short notes
Museum and Institute of Zoology, Polish Academy of Sciences
Museum and Institute of Zoology, Polish Academy of Sciences
The habitat and nest sites of an island-endemic, the Másafuera Grey-flanked Cinclodes, are described for the first time. The species breeds only in natural cavities in steep rock-walls and rocky slopes or ridges. The nest entrance diameter ranges from 5.5 to 20 cm, the nest chamber being placed within the rock so as to be invisible from the outside. The nest sites found — solely on Alejandro Selkirk Island — were located from a little above the sea-level to the summit region, the preferred habitats being barren canyon bottoms with small streams, and humid alpine plateaus. Nesting extends from early December to late January, indicating a core breeding season from November to January. Fledgling numbers per clutch average about two.
oai:rcin.org.pl:55547 ; 10.3161/068.040.0202
MiIZ PAN, call no. P.257 ; MiIZ PAN, call no. P.4568 ; click here to follow the link
Copyright-protected material. May be used within the limits of statutory user freedoms
Museum and Institute of Zoology of the Polish Academy of Sciences
Library of the Museum and Institute of Zoology of the Polish Academy of Sciences
Oct 2, 2020
Jul 28, 2015
19
https://rcin.org.pl./publication/75779
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