The Imperial Ivory-Billed Woodpecker, Campephilus imperialis (Gould)
نویسندگان
چکیده
منابع مشابه
Putative audio recordings of the Ivory-billed Woodpecker (Campephilus principalis).
Putative audio recordings of the Ivory-billed Woodpecker (Campephilus principalis) are presented along with discussions of the videos from which they were extracted and the observations that were made when these data were obtained. On two occasions, high-pitched calls were heard coming from the direction of a bird that was identified in the field as an Ivory-billed Woodpecker. These calls seem ...
متن کاملIvory-billed woodpecker (Campephilus principalis) persists in continental North America.
The ivory-billed woodpecker (Campephilus principalis), long suspected to be extinct, has been rediscovered in the Big Woods region of eastern Arkansas. Visual encounters during 2004 and 2005, and analysis of a video clip from April 2004, confirm the existence of at least one male. Acoustic signatures consistent with Campephilus display drums also have been heard from the region. Extensive effor...
متن کاملAnimating the Ivory-billed Woodpecker
The proposed rediscovery of the Ivory-Billed Woodpecker by the Cornell Laboratory of Ornithology, while celebrated by some ornithologists, was debated by others. Central to the argument is the interpretation of a fuzzy video depicting a large black and white bird taking flight. This thesis describes the creation of a physiologically-accurate animation of a flying Ivory-Billed Woodpecker in hope...
متن کاملVideo evidence and other information relevant to the conservation of the Ivory-billed Woodpecker (Campephilus principalis)
Despite the publication of three independent papers that reported sightings of the Ivory-billed Woodpecker (Campephilus principalis), its preservation became a controversial topic because nobody has been able to obtain a distinct photo, which is considered the standard form of evidence for documenting birds. An analysis based on a combination of factors related to habitat and behavior suggests ...
متن کاملComment on "Ivory-billed woodpecker (Campephilus principalis) persists in continental North America".
We reanalyzed video presented as confirmation that an ivory-billed woodpecker (Campephilus principalis) persists in Arkansas (Fitzpatrick et al., Reports, 3 June 2005, p. 1460). None of the features described as diagnostic of the ivory-billed woodpecker eliminate a normal pileated woodpecker (Dryocopus pileatus). Although we support efforts to find and protect ivory-billed woodpeckers, the vide...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Auk
سال: 1898
ISSN: 0004-8038,1938-4254
DOI: 10.2307/4068376