Chestnut-vented Conebill (Conirostrum speciosum) Science Article 1 abstract The genus Conirostrum (Lafresnaye & d’Orbigny, 1838) comprises nine species, all endemic to the Neotropical Region, where it is widely distributed (Meyer de Schauensee 1982)- Of the species of this genus, only C. bicolor and C. cinereum have had their nests and eggs described (Herklots 1961; Johnson […]
Category: Passeriformes
Mate Fidelity in Chiffchaff Phylloscopus collybita
Chiffchaff (Phylloscopus collybita) Science Article 1 abstract Two cases of year-to-year mate fidelity in Chiffchaff occurred in the subpopulation of 6 males and their females in a region of South Bohemia. The first nesting of both females failed in the first season. One of them was secondary female in the first season. Both pairs renested […]
Low prevalence of infection by H moparasites in Cetti’ s Warblers Certia cetti from central Spain.
Cettis Warbler (Cettia cetti) Science Article 1 abstract […]. Here we studied the prevalence, age distribution of infected individuals and time of infection by blood parasites in Cetti
Some aspects of Chaffinch Fringilla coelebs biology, based on an analysis of individuals ringed during 1991 to 2003 in Norfolk, England
Chaffinch (Fringilla coelebs) Science Article 1 abstract From 1991 to 2003, 2,954 Chaffinches Fringilla coelebs were caught and ringed, year-round, at Hilborough, Norfolk, England. The age and sex composition of Chaffinches varied between winters, but no systematic pattern was apparent. The age and sex composition of Chaffinches caught during winter did not vary significantly from […]
Time in captivity, individual differences and foragingbehaviour in wild-caught chaffinches
Chaffinch (Fringilla coelebs) Science Article 4 abstract Wild-caught animals are often given a settling in period before experimental trials are initiated.We used wild-caught chaffinches (Fringilla coelebs) to investigate (a) the effect ofsettling in period duration on the likelihood that chaffinches foraged during experimental trialsand (b) whether settling in period duration influenced measures of foraging and […]
NOTES ON THE CEDAR WAXWING (Bombycilla cedrorum)
Cedar Waxwing (Bombycilla cedrorum) Science Article 3 abstract As is well known, this species belongs to a group which has been a puzzle not only to systematists, but also to ornithologists at large. The three known species of Waxwings, distributed as they are over a wide section of the world, one, the Cedar Waxwing, peculiar […]
Carnivory observed in the Cedar Waxwing.
Cedar Waxwing (Bombycilla cedrorum) Science Article 2 abstract I observed an adult Cedar Waxwing (Bombycilla cedrorum) fly to a tree branch approximately 12 m above the ground with an unidentified nestling bird in its bill. Through 7 X 35 binoculars it appeared the nestling was naked, approximately 3 cm in length and being held by […]
Recent Breeding Range Expansion of the CedarWaxwing in South-Central North Carolina:Additional Information
Cedar Waxwing (Bombycilla cedrorum) Science Article 5 abstract Lee and Hendrickson (1998) documented the breeding range expansion of the Cedar Waxwing (Bombycilla cedrorum) to the southeast Piedmont, Sandhills, and Coastal Plain of North Carolina in the 1980s and 1990s. Douglas B. McNair, Tall Timbers Research Station, Florida Download article download full text (pdf)
PRIMER REGISTRO DEL ALA DE CERA (BOMBYCILLACEDRORUM) PARA EL CARIBE COLOMBIANO
Cedar Waxwing (Bombycilla cedrorum) Science Article 4 abstract We present the first observation of Cedar Waxwing (Bombycilla cedrorum) in theColombian Caribbean region, near Los Colorados National Park, in themunicipality of San Juan Nepomuceno, in the department of Bolivar. Cesar Buelvas Meza et al., Boletin SAO Vol. XVI (No. 01) – Jul. 2006 Download article download […]
CEDAR WAXWING, BOMBYCILLA CEDRORUM,FEEDS ON AVOCADO FLOWERS
Cedar Waxwing (Bombycilla cedrorum) Science Article 1 abstract The mystery of some of the injuries and losses of avocado leaves, flowers and very small fruits was apparently solved, in part by observing cedar waxwing birds. Substantiation of feeding was made by examination of crop con tents where leaf and flower segments were observed. D. O. […]