Comments on the Glaucous Macaw were first published by Sanchez Labrador (1767) who wrote that the Guaa’-obi lived along the banks of the Uruguay River, and to a lesser extent, in the forest near the Paraguay River. The species was first described by Vieillot in 1816, as Anodorhynchus glaucus, based on the observations of Azara […]
Category: conservation
Rarest birds in the World: Laysan Duck (Anas laysanensis)
In 1896 Rotschild wrote: This Duck was found by my collector on Laysan Island only. The captain who told Dr. Finsch that there was a flightless Duck on Laysan Island no doubt referred to this species, but on account of its extraordinary tameness he was led to believe that it could not fly. It flies, […]
Does the Java Blue-banded Kingfisher (Alcedo Euryzona) really exist?
Java Blue-banded Kingfisher (Alcedo Euryzona) is a “new” species split of from nominate status to full species status in 2013. This Java endemic kingfisher is firmly bound to rivers in lowland forest which is lost in an alarming rate throughout its range. There is only one sighting known, in 2009, since the thirties, the population […]
Rarest birds in the World: Nightingale Reed-warbler (Acrocephalus luscinius)
This species qualifies as Critically Endangered because the very rapid rate of decline is expected to increase owing to habitat loss and degradation. This is combined with the impact of introduced predators including brown tree snake on Saipan. It is a 18 cm large, scruffy-looking warbler with long bill and erect head feathers when singing. […]
Rarest birds in the World: the Millerbird (Acrocephalus familiaris)
This species occurs on one extremely small island and undergoes marked population fluctuations, owing to climatic events, reducing it to tiny numbers. It is a 13 cm small, inconspicuous, thin-billed warbler. Brown above, darkest on crown, white below. It sings a simple song of rapid, metallic notes. It is endemic to the steep, rocky island […]
Red list 2014
More than 350 newly recognised bird species have been assessed by BirdLife International for the first time on behalf of The IUCN Red List of Threatened Speciesâ„¢. Worryingly, more than 25% of these newly recognised birds have been listed as threatened on The IUCN Red List – compared with 13% of all birds – making […]
Red List for Birds 2013: Number of Critically Endangered birds hits new high
The number of bird species listed as Critically Endangered has reached an all-time high with the release of this year’s Red List for birds by BirdLife International. White-winged Flufftail Sarothrura ayresi, a secretive and unobtrusive sub-Saharan bird, is the latest species to join the growing list of those on the very edge of extinction. Destruction […]
North America’s most endangered birds Top 10: 10 Kittlitz’s Murrelet
Text by Audubon Introduction Kittlitz’s Murrelet is a small seabird found in the coastal regions of Alaska, where it feeds on fish and macro-zooplankton in areas where glaciers meet saltwater. It nests a few miles inland in the mountains and on cliff faces. Over recent decades, its local populations are estimated to have undergone precipitous […]
North America’s most endangered birds Top 10: 9 The Golden-cheeked Warbler
Text by Audubon Introduction The Golden-cheeked Warbler is a migratory songbird that breeds only in Ashe juniper woodlands. Between 1960 and 1980, the area of this habitat was reduced by development pressures in central Texas by about a quarter. In addition, anticipation that the warbler would be federally listed as an endangered species prompted landowners […]
North America’s most endangered birds Top 10: 8 The Ashy Storm-Petrel
Text by Audubon Introduction The Ashy Storm-Petrel is a seabird that nests in small rock cavities on islands off the coast of California. From 50 to 70 percent of the breeding population is located on Southeast Farallon Island in the Farallon National Wildlife Refuge and on California’s Channel Islands. With its already small population having […]