Keepers have put up a sign telling visitors not to pick the flowers - in the lion enclosure at Longleat Safari Park. Every spring the grassy paddock where the lions are kept gives way to a glorious display of bluebells.

Picture: Pete Willows/BNPS (via Pictures of the day: 22 May 2012 - Telegraph)

Hannah Fraser swims dressed as a mermaid with a humpback whale off Vava’u Island, Tonga, to raise awareness of marine life and oppose whale hunting…

Picture: Ted Grambeau / Barcroft USA (via Pictures of the day: 9 May 2012 - Telegraph)

Dolphins help Brazilian fisherman catch their prey, then swim off.

A black jaguar called Boogie walks in his cage at the zoo in Tbilisi, Georgia

Picture: AFP/GETTYY (via Pictures of the day: 11 February 2010 - Telegraph)

Hello there

A grizzly bear catches his dinner as it leaps through the air. Wildlife enthusiast Gleb Tarro captured the shot at Brooks Falls, within the Katmai National Park, Alaska. Picture: GLEB TARRO / CATERS NEWS (via Pictures of the day: 1 May 2012 - Telegraph)

(via Two of the world’s rarest mammals photographed for the very first time)

(via blue photography fish jellyfish artwork underwater Adam Spizak - Wallpaper (#1881987) / Wallbase.cc)

A young hawk rests on a light post as the sun rises through thick clouds in California

Picture: AP (via Pictures of the day: 27 April 2012 - Telegraph)