Week in wildlife: a fish dinner and Galápagos wonders

And relax … a sea lion joins in on a beach siesta on San Cristóbal island, Galápagos, Ecuador

One of five a day … a giant tortoise snacks at Galápagos national park

Sooty terns fill the skies as they return to Johnston Island, a tiny outcropping in the Pacific west of Hawaii. The atoll is a wildlife refuge and an important breeding ground for many birds, but it was used extensively by the US air force in the 20th century – as an airbase and a test site for nuclear and biological weapons, and storage for chemical weapons

A one-horned rhino and calf in Chitwan national park, Nepal

A school of fish in Kicker Rock Islet near San Cristóbal island, Galápagos, Ecuador

Ready for takeoff … an osprey makes a nest near the vehicle assembly building at the Kennedy Space Center in Cape Canaveral, Florida, US

A sea urchin collects food at Asi bay on the Turkish coast, near Rhodes

Two great hammerhead sharks swim in Kicker Rock Islet near San Cristóbal island, Galápagos, Ecuador

Fluff at first sight … great egret chicks snuggle up in their nest at Wakodahatchee wetlands in Delray Beach, Florida, US

A starfish clings to a rock on San Cristóbal island, Galápagos, Ecuador

A rescued macaw is released back into the wild after rehabilitation at an ecological reserve in Brasilia, Brazil, while its fellows wait their turn

Black-bellied whistling ducks – also known as Mexican squealers – strike a pose at Green Cay wetlands in Delray Beach, Florida, US

A school of atherina cut out daylight underwater at Asi bay, Turkey. Fossil-hunters have found evidence that there were atherina swimming in our oceans more than 11m years ago

An ancient parasitic wasp preserved in amber, found in Myanmar. Its back end resembles a Venus flytrap plant

A thornback ray glides in Los Túneles, Galápagos, Ecuador

Migrating frogs anticipate the breeding season as they make their way to a reservoir in eastern Slovakia

A dead humpback whale washed up at Følle Strand, Denmark

A shy brown booby chick peeks out from between its parent’s legs on Sand Island, in the Johnston atoll national wildlife refuge

A sally lightfoot crab on the rocks at Galápagos national park, Ecuador

A whitetip reef shark near Santa Cruz island, Galápagos

Bottoms up … a red-crested pochard dives in Mogan Lake, Turkey.

A curious Galápagos lava lizard

Fish dinner … an osprey takes its catch home at the Sebastian inlet state park in Melbourne Beach, Florida, US