Boerenlandvogels

Categorie: Zwaluwen

Henk Tennekes 04-05-2020 Geen reacties

Swifts are slightly larger than swallows and have an all dark plumage with only a short forked tail. They feed

Henk Tennekes 10-02-2020 Geen reacties

Ob Bachstelze (Motacilla alba), Wiesenpieper (Anthus pratensis) oder Rauchschwalbe (Hirundo rustica): Die Zahl der von Insekten lebenden Vögel ist in

Henk Tennekes 28-01-2020 Geen reacties

In the summer of 2010, Henk Tennekes from Experimental Toxicology Services Nederland at Zutphen warned that the accumulation of neonicotinoids

Henk Tennekes 24-10-2019 Geen reacties

The swallows are among a species of bird known as aerial insectivores, which feed on insects while flying. Their numbers

Henk Tennekes 15-10-2019 Geen reacties

The Mojave occupies nearly 50,000 square miles, mostly in southeastern California and Nevada, and it’s considered to be North America’s

Henk Tennekes 12-10-2019 Geen reacties

A recent study concludes that the birds of Canada and the United States have taken a substantial hit in the

Henk Tennekes 11-07-2019 Geen reacties

De jonge zwaluwen in Groningen en het Lauwersmeergebied sterven bij bosjes. Bovendien zijn tal van zwaluwnesten leeg gebleven dit voorjaar.

Henk Tennekes 27-06-2019 Geen reacties

The North American Bird Conservation Initiative in Canada released the second State of Canada’s Birds report last week. The report,

Henk Tennekes 28-05-2019 Geen reacties

At least 314 species of American birds are expected to lose 50 per cent or more of their range by

Henk Tennekes 23-05-2019 Geen reacties

A Dutch researcher, H Tennekes has made the case that neonicotinoids, a special group of insecticides, are causing a catastrophe