As regular CFZ-watchers will know, for some time Corinna has been doing a column for Animals & Men and a regular segment on On The Track... particularly about out-of-place birds and rare vagrants. There seem to be more and more bird stories from all over the world hitting the news these days so, to make room for them all - and to give them all equal and worthy coverage - she has set up this new blog to cover all things feathery and Fortean.
Showing posts with label extinction risk. Show all posts
Showing posts with label extinction risk. Show all posts

Monday, 17 February 2020

The 10 british songbirds at risk of extinction, from the turtle dove to the marsh tit

Paula Lester February 12, 2020

The latest figures on songbirds make for sobering reading.

Songbirds are defined as ‘perching birds’, because their specially adapted feet (with three toes facing forward and one back) allow them to grip on to branches and ledges, in gardens, parks, woodland and farmland.

As their name suggests, these passerines also emit beautiful and highly complicated songs that are best heard during the dawn chorus. According to the latest figures from the British Trust for Ornithology and RSPB, the following 10 species on the red list of Birds of Conservation Concern suffered some of the most rapid declines from 1967 to 2016:

Turtle dove

Streptopelia turtur — numbers down 98%
One of the reasons why this dainty dove (right) with its pale-pink breast and gentle, purring call is now increasingly rare is thought to be the lack of seed and grain available to it during the breeding season, which results in far fewer nesting attempts.

Monday, 19 March 2018

South African bird populations have never been in a worse shape



NEWS / 10 MARCH 2018, 6:35PM / SHEREE BEGA

Waning waterbirds, declining raptors, seabirds under pressure and large terrestrial birds running out of space.

This is the alarming new assessment of South Africa's birds, which warns how the country's bird populations have never been in a worse shape.

"South Africa’s bird populations are in trouble," says Martin Taylor, the special projects programme manager at BirdLife South Africa. "The increase in extinction risk faced by our region’s bird species needs to be of concern to all South Africans."

Taylor compiled the State of South Africa's Birds 2018, a landmark report, scheduled to be released next week. 

He explains that the report, the first of its kind, draws on national survey and monitoring data to provide a highly visual snapshot of the conservation status of birds as well as the biomes they reside in. 

The report shows how the conservation status of birds has declined drastically over the past 30 years with 132 species now classified as regionally threatened with the number of critically endangered and endangered bird species increasing significantly since the 2000 assessment.


Saturday, 1 June 2013

More At-Risk Bird Species in Brazilian Forest Than Previously Thought

May 29, 2013 — In a study published today in the journal PLOS ONE, a team of researchers led by NJIT Associate Professor Gareth Russell has applied a novel method for linking large-scale habitat fragmentation to population sustainability.

"Our goal was to assess the extinction risk for bird species in the Atlantic Forest of Brazil, a global 'hotspot' of bird diversity," said Russell. "Based on elevation restrictions and forest type requirements, as well as ongoing tropical deforestation, we already knew that most species have access to far less habitat than typically assumed. But what habitat remains is also highly fragmented. Looking at area alone is not enough."

Other researchers included Stuart Pimm, Doris Duke Professor of Conservation Ecology, Duke University; Grant Harris, chief of biological sciences (Southwest region), U.S. Fish and Wildlife Service; and Jessica Schnell, recently graduated, now at the Max Planck Institute for Ornithology, Germany.

More accurate habitat maps show the extent of fragmentation, but researchers still must link the particular habitat distribution of a species to its extinction risk in an objective and consistent manner.