Results 71 to 80 of about 205,543 (241)

The physiology and biomechanics of avian flight at high altitude [PDF]

open access: yes, 2006
Many birds fly at high altitude, either during long-distance flights or by virtue of residence in high-elevation habitats. Among the many environmental features that vary systematically with altitude, five have significant consequences for avian flight ...
Altshuler, Douglas L., Dudley, Robert
core  

Video analysis of the escape flight of Pileated Woodpecker Dryocopus pileatus: does the Ivory-billed Woodpecker Campephilus principalis persist in continental North America?

open access: yesBMC Biology, 2007
Background The apparent rediscovery of the Ivory-billed Woodpecker Campephilus principalis in Arkansas, USA, previously feared extinct, was supported by video evidence of a single bird in flight (Fitzpatrick et al, Science 2005, 308:1460–1462).
Collinson J Martin
doaj   +1 more source

Scale-Dependent Habitat Selection of Nesting Great Egrets and Snowy Egrets [PDF]

open access: yes, 2007
Foraging habitat selection of nesting Great Egrets ( Ardea alba ) and Snowy Egrets ( Egretta thula ) was investigated within an estuary with extensive impounded salt marsh habitat.
Collazo, Jaime A.   +2 more
core  

Robust sound event detection in bioacoustic sensor networks

open access: yes, 2019
Bioacoustic sensors, sometimes known as autonomous recording units (ARUs), can record sounds of wildlife over long periods of time in scalable and minimally invasive ways.
Bello, Juan Pablo   +4 more
core   +1 more source

A review of recent developments in flight test techniques at the Ames Research Center, Dryden Flight Research Facility [PDF]

open access: yes
New flight test techniques in use at Ames Dryden are reviewed. The use of the pilot in combination with ground and airborne computational capabilities to maximize data return is discussed, including the remotely piloted research vehicle technique for ...
Layton, G. P.
core   +1 more source

The nature of habitat [PDF]

open access: yes, 2007
The protection of significant habitats of indigenous fauna is a matter recognised by the Resource Management Act 1991 as one of national importance. The aim of this article is to investigate the nature of the term habitat as applied by the RMA.
Wallace, Philippa Jane
core   +1 more source

Increased tolerance to humans among disturbed wildlife. [PDF]

open access: yes, 2015
Human disturbance drives the decline of many species, both directly and indirectly. Nonetheless, some species do particularly well around humans. One mechanism that may explain coexistence is the degree to which a species tolerates human disturbance ...
Blumstein, Daniel T   +4 more
core   +3 more sources

A low-cost wind tunnel for bird flight experiments. [PDF]

open access: yesJ Ornithol, 2022
Grogger HA   +6 more
europepmc   +1 more source

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