Eastern Screech owlets in a tree in Okefenokee Swamp in Georgia, US. From picture desk live: the day’s best news images

Photograph: Graham McGeorge/Barcroft Media

 

Pronghorns range over a vast area, from Canada to northern Mexico, seen here on their annual migration, the only time the males and females come together in a mixed-sex herd. From our gallery: Discovery Channel’s North America

Photograph: Discovery Channel

 

A Dormouse appears to be laughing as it sits on top of a yarrow flower. The amusing photograph, taken by Italian photographer Andrea Zampatti, in Italy, shows how the heat had a strange effect on this little critter. Photograph: Andrea Zampatti/HotSpot Media

A researcher with holds a coqui guajón or Puerto Rican rock frog (Eleutherodactylus cooki) in a tropical forest in Patillas, Puerto Rico. Taken from the week in wildlife - our team’s pick of nature photographs from around the world.

Photograph:

Ricardo Arduengo/AP

A bear stands in front of a steaming geyser in the Valley of the Geysers of Kronotsky Zapovednik, Russia. From this week’s wildlife - in pictures Photograph: Igor Shpilenok/Barcroft Media

A bear stands in front of a steaming geyser in the Valley of the Geysers of Kronotsky Zapovednik, Russia. From this week’s wildlife - in pictures Photograph: Igor Shpilenok/Barcroft Media

Five shark species win protection against the finning trade, after the 178 nations at the world’s biggest wildlife summit voted to crack down on the trade.

The fins of the scalloped hammerhead are among the most valuable of all and it is estimated that 2 million a year are killed.

Photograph: Chris Newbert/Corbis

Common pesticides ‘can kill frogs within an hour’

New research suggests the chemicals are playing a significant and previously unknown role in the global decline of amphibians

Photograph: Peter Lilja/Getty Images

Big picture: Starlings, by Paolo Patrizi

Each week, the Guardian Weekend magazine’s editorial team choose a picture, or set of pictures, that particularly tickle their fancy. This week, their choice is Paolo Patrizi’s photographs of starlings

Photograph: Paolo Patrizi

A new species of primate, a “big-eyed” and venomous slow loris, has been identified in Borneo by researchers. But the new loris is already under threat from the Asian pet trade in part because its “teddy-bear face” make it attractive for illegal poaching, the team of UK and US scientists said.

Photograph: Duke Lemur Center / David Haring / Ch’ien C Lee