Chapmans Swift (Chaetura chapmani) Science Article 1 abstract In the rolling terrain of the central hills of Trinidad, Frank M. Chapman collected a large series of swifts, among which were eight specimens representing a previously unknown species. These specimens, taken between March 15 and March 27, 1894, near the town of Caparo, Caroni County, were […]
Category: Latin America
Movements of adult and juvenile bananaquits within a morph-ratio cline
Bananaquit (Coereba flaveola) Science Article 1 abstract Adult and juvenile Bananaquits (Coerebafi aveola) were captured and banded at nine different sites in southern Grenada in August-October 1976, 1977, and 1978. The proportion of black morphs decreased to seaward on Point Saline.T he morph-ratio cline was steeper for adults than for juveniles, because juveniles move greater […]
Observation of the Coereba flaveola (Bananaquit) on Springfield Plantation feed habits
Bananaquit (Coereba flaveola) Science Article 3 abstract Coereba flaveola (Bananaquit) feeds predominantly in the morning rather in the lateafternoon. It concentrated mainly on the mangos and the bananas as its main dietaccording to the location site off the back porch of the stream house Celia Montes, Texas A&M University Study Abroad Download article download full […]
A shift in the morph ratio cline in the bananaquit on grenada, west indies
Bananaquit (Coereba flaveola) Science Article 4 abstract The two Bananaquit (Coerebaflaveolu) color morphs and the morph ratio cline on Grenada have been described in detail by Wunderle (198 1 a). The yellow morph is restricted to the dry northeastern and southwestern portions of the island. The melanic, or black morph, occurs throughout the island, but […]
Characterization of an Orange Variant of the Bananaquit(Coereba tTaveola) on La D sirade, Guadeloupe, French West Indies
Bananaquit (Coereba flaveola) Science Article 2 abstract The Bananaquit( Coerebfaia veola)i s a phenotypically variable species of the American tropics that varies markedly in the extent and intensity of both its carotenoid and melanin pigmentation. Paynter (1968) recognized4 1 subspecieso f Bananaquitsa, nd plumage color polymorphism has been reported on some Caribbean islands (Wunderle 1981a, […]
Aplomado falcon steals prey from little blue heron
Aplomado Falcon (Falco femoralis) Science Article 5 abstract A juvenile male Aplomado Falcon (Falcofemoralis) was observed to steal crayfish(Cambarus diogenes) from Little Blue Herons (Egretta caerulea). Crayfish are not known tobe a common prey item of the Aplomado Falcon. To our knowledge this is the first instanceof piracy reported for this falcon. Falcons of the […]
Nesting observations of the Yellow-Headed caracara in the cerrado region of Brazil
Yellow-headed Caracara (Milvago chimachima) Science Article 1 abstract Although the Yellow-headed Caracara (Milvago chimachima) is widely distributed, common birds in South America, little is known concerning their breeding biology. Bierregaard (in del Hoyo et al. 1994) conducted an excellent review of known data, but details are based on fragmented observations, are incomplete, and often inferential […]
Feeding associations between capybaras Hydrochoerus hydrochaeris (Linnaeus) (Mammalia, Hydrochaeridae) and birds in the Lami Biological Reserve, Porto Alegre, Rio Grande do Sul, Brazil.
Yellow-headed Caracara (Milvago chimachima) Science Article 2 abstract Feeding associations between capybaras Hydrochoerus hydrochaeris (Linnaeus, 1766) and some bird species were registered in the Lami Biological Reserve, southern Brazil, through observations in a set of transects established in the five major vegetation types of the study area: shrubby and herbaceous swamps, wet grasslands, sandy grasslands […]
Coloniality in the yellow-rumped cacique as a defense against nest predators
Yellow-rumped Cacique (Cacicus cela) Science Article 1 abstract Individuals of the colonial Yellow-rumped Cacique (Cacicus cela) in Amazonian Peru can defend their nests against predators in three ways. First, by nesting on islandsand around wasp nests, caciques are safe from arboreal mammals such as primates, whichdestroy many more-accessible colonies. Caimans and otters that live in […]
Publishing LtdPhylogeny and biogeography of Yellow-headed andBlue-fronted Parrots (Amazona ochrocephalaandAmazona aestiva) with special reference to theSouth American taxa
Yellow-crowned Amazon (Amazona ochrocephala) Science Article 1 abstract The Yellow-headed Parrot (Amazona ochrocephala) has a broad Neotropical distribution,ranging from Mexico to the Amazon Basin, and a history of complex taxonomy and controversialspecies limits. Recent molecular analyses have started to clarify the taxonomicarrangement of the complex, but have not included a representative geographical samplingfrom South America. […]