species migration

Insecticide a threat to migrating songbirds, says study

Research by the University of Saskatchewan provides “the first direct evidence that neonicotinoids can harm songbirds and their migration,” said the Guardian, by causing the birds to lose weight and their sense of direction.

Climate change is pushing species to new latitudes — with disturbing results, study

Climate change has set off the largest mass movement of species, since the last ice age, about 25,000 years ago, says a study published in the journal Science. “Land-based species are moving polewards by an average of 17km per decade, and marine species by 72km per decade,” said Professor Gretta Pecl at the University of Tasmania in Australia, the study’s lead author.