Category: Apodidae

Notes on the Biology of Chapman’s SwiftChaetura chapmani (Aves, Apodidae)

Sicks Swift (Chaetura meridionalis) Science Article 2 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 […]

Notes on the Biology of Chapmans SwiftChaetura chapmani (Aves, Apodidae)

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 […]

Nesting of the Lesser Swallow-tailed Swift, Panyptila cayennensis, in Guatemala.

Lesser Swallow-tailed Swift (Panyptila cayennensis) Science Article 1 abstract Although the Lesser Swallow-tailed Swift has been taken in most of the Central American republics, the small population which has been reported in the lowlands of southeastern Mexico (southern Veracruz) was thought to be separated from the more southern populations by a great expanse of territory […]

Notes on the nesting of the Cayenne Swift in Surinam.-

Lesser Swallow-tailed Swift (Panyptila cayennensis) Science Article 2 abstract nest of the Cayenne Swift (Punyptila cayennensis) is one of the most remarkable structures built by any bird in tropical South America. Although the nest has been known for some time, I am not aware of the existence of satisfactory photographs showing a nest in situ. […]

Notes on the nesting of the Cayenne Swift in Surinam.-

Lesser Swallow-tailed Swift (Panyptila cayennensis) Science Article 2 abstract nest of the Cayenne Swift (Punyptila cayennensis) is one of the most remarkable structures built by any bird in tropical South America. Although the nest has been known for some time, I am not aware of the existence of satisfactory photographs showing a nest in situ. […]

Nesting of the Lesser Swallow-tailed Swift, Panyptila cayennensis, in Guatemala.

Lesser Swallow-tailed Swift (Panyptila cayennensis) Science Article 1 abstract Although the Lesser Swallow-tailed Swift has been taken in most of the Central American republics, the small population which has been reported in the lowlands of southeastern Mexico (southern Veracruz) was thought to be separated from the more southern populations by a great expanse of territory […]

Dusk and dawn ascend of the swift, Apus apus L.

Common Swift (Apus apus) Science Article 2 abstract Radar observations on bird movements over The Netherlands in June andJuly revealed spectacular nocturnal Swift concentrations over the IJsselmeerand to a lesser extent above other waterbodies in and around TheNetherlands at some kilometres from coastlines. The Swifts performcharacteristic dusk and dawn ascends up to altitudes over 1800 […]