WebWe studied the fluctuation in 1975-1997 numbers of two species: the Pied Flycatcher Ficedula hypoleuca and the Collared Flycatcher F. albicollis breeding in natural cavities in the primeval deciduous stands of the Białowieża National Park (NE Poland). Both studied birds are commonly regarded as competitors if sympatric. WebToute l'information sur l'étude et l'observation des oiseaux : synthèse journalière des observations d'oiseaux en France.
Bird Collared Flycatcher call, song, sound. Ficedula albicollis. Black ...
WebClick here for more information about the Red List categories and criteria Justification of Red List category This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km 2 combined with a declining or fluctuating range size, habitat extent/quality, or population … pruning ceanothus bush
Collared Flycatcher (Ficedula albicollis) :: xeno-canto
WebResearchers studying a population of collared flycatchers (Ficedula albicollis) monitored the survival and reproduction of each bird throughout its entire life. Some females … WebJan 1, 2013 · In 1992-1995 we examined the effect of arrival time and age of male Collared Flycatchers Ficedula albicollis, secondary cavity nesters, on the quality of the nest site … WebAvibase ist ein umfangreiches Datenbank-Informations-System über alle Vögel der Welt. Sie enthält nahezu &1 Million Aufzeichnungen über 10.000 Spezies und 22.000 Subspezies von Vögeln, einschließlich Verbreitungs-Informationen, Taxonomie, Synonyme in mehreren Sprachen und anderes. retail clothing jobs melbourne