Archer Larned, University of Maryland, Baltimore County et Sarah Luttrell, University of Maryland, Baltimore County
During bird irruptions, hundreds or thousands of a single species show up outside their normal territory. Most of what we know about irruptions comes from data collected by citizen scientists.
Many pastoralists in central Kenya lost access to their ancestral pasture lands in the early 20th century.
Reuters/Siegfried Modola
The simplistic assumption that the violence in central Kenya is the result of drought mask the more complex underlying dynamics of politics, access to resources and land.
Bald eagles are the best-known example of a successful recovery under the Endangered Species Act.
Jerry McFarland/Flickr
Peter Alagona, University of California, Santa Barbara et Kevin C. Brown, University of California, Santa Barbara
Critics say the Endangered Species Act does not work because only about 1 percent of protected species have officially “recovered.” Two biologists explain why recovery is so hard to define.
Seed-eating birds like this male king parrot enjoy birdbaths - but they like food even more.
Glenn Pure
Is providing birds with food and water making them too dependent? Or are gardens just the new frontier of Australia’s urban landscape? New research aims to find out.
Native plants don’t need much space really.
Simon Pawley/Sustainable Outdoors
Lizzy Lowe, University of Auckland, Waipapa Taumata Rau et Margaret Stanley, University of Auckland, Waipapa Taumata Rau
It is possible to use small spaces such as transport corridors, verges and the edges of sporting grounds for native wildlife habitat restoration, helping to bring biodiversity back into cities.
Keeping non-native reptiles as pets is against the law – with good reason. Alien species traded on the black market can potentially establish themselves in the wild if they are released or escape.
People search for recyclable materials alongside animals at the Dandora Municipal Dumping Site in Nairobi.
Reuters/Thomas Mukoya
Africa’s cities are melting pots of activity and interaction. There are fears that the continent’s next major modern disease crisis will emerge from them.
Ross Harvey, South African Institute of International Affairs
The focus of CITES is not solely on the protection of species. It also promotes controlled trade that is not detrimental to the sustainability of wild species.