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

... phoebe), kingbird (Tyrannus tyrannus), eastern pewee (Contopus virens), and olive-sided (Contopus cooperi), as well as each of the five ...

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

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

... Swallow Petrochelidon pyrrhonota, Olive-sided Flycatcher Contopus cooperi, Eastern Wood-Pewee Contopus virens, Northern Rough-winged Swallow Stelgidopteryx serripennis, Eastern ...

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