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New Hampshire's ‘State of the Birds' - “Empty Skies: The Decline of Aerial Insectivores”

... flocks of swallows were accompanied by chimney swifts (Chaetura pelagica) that nested each summer in one of the flues in our house chimney. ...

Story - Henk Tennekes - 19/03/2012 - 17:19 - 1 commentaire - 0 fichier attaché

There's an alarming decline in chimney swifts in North America

There's an alarming decline in chimney swifts (Chaetura pelagica), the so-called "flying cigars" that on summer nights eat about ...

Story - Henk Tennekes - 07/02/2012 - 11:10 - 1 commentaire - 0 fichier attaché

Songbirds on their way to extinction?

... minor, whippoorwill Caprimulgus vociferus, chimney swift Chaetura pelagica and 6 types of swallow have dropped 30 to 50 per cent in the past 20 ...

Story - Henk Tennekes - 22/11/2011 - 06:25 - 1 commentaire - 0 fichier attaché

Drastische Rückgänge bei Insekten fressenden Vögeln

... Uferschwalbe Riparia riparia und dem Schornsteinsegler Chaetura pelagica, einem engen Verwandten unseres Mauerseglers Apus apus, festgestellt. ...

Story - Henk Tennekes - 15/11/2011 - 07:54 - 1 commentaire - 0 fichier attaché

In the past 40 years, Canadian swift populations have plummeted by 96%

The Chimney Swift Chaetura pelagica is a little, high-flying, dark grey bird whose diet consists entirely ...

Story - Henk Tennekes - 17/11/2011 - 04:28 - 1 commentaire - 0 fichier attaché

De gierzwaluw is in grote delen van Europa in een steile duikvlucht

... Birdlife International, zie bijlage). De Chimney Swift Chaetura pelagica, nauw verwant met de gierzwaluw, gaat sinds de jaren 1990 eveneens ...

Story - Henk Tennekes - 23/11/2011 - 13:18 - 1 commentaire - 1 fichier attaché

The proverbial clock may well be ticking down on many common species of aerial insectivores in Canada

... riparia, Common Nighthawk Chordeiles minor, Chimney Swift Chaetura pelagica, and Barn Swallow Hirundo rustica, and by over 50% for Cliff Swallow ...

Story - Henk Tennekes - 21/10/2011 - 14:45 - 1 commentaire - 1 fichier attaché

Most of the avian insectivores are declining in northeastern North America

... (endangered nationally and provincially), chimney swift Chaetura pelagica (endangered nationally, threatened provincially) and whip-poor-will ...

Story - Henk Tennekes - 16/10/2011 - 03:21 - 1 commentaire - 0 fichier attaché

Historical declines in chimney swift populations are associated with dramatic changes in insect prey consumption

... fecal deposit from a major historical chimney swift (Chaetura pelagica) roost at Queen's University in Kingston, Ontario, Canada. This ...

Story - Henk Tennekes - 22/10/2011 - 13:27 - 1 commentaire - 0 fichier attaché

Top 20 Common US Birds in Decline

... mainly foraging near dawn and dusk. - Chimney Swift Chaetura pelagica: This swift nests in yards and chimneys across the eastern United ...

Story - Henk Tennekes - 27/10/2011 - 09:47 - 1 commentaire - 2 fichiers attachés