Week in wildlife in pictures: a drowsy seal, wild kittens and the reddest bird

Serval kittens crouch in the undergrowth in Kenya. Servals are wildcats that live in African grasslands; like their domestic cousins, they enjoy grooming themselves, purring, stalking small animals and yowling

A mule deer buck limps its way up a mountainside with apparent burns in the wake of the Eaton Fire in Altadena, California, US

A male northern cardinal puffs up his feathers against the cold at Colonel Samuel Smith Park on the shore of Lake Ontario in Toronto, Canada

An Annam wart frog in Virachey national park, in Cambodia’s remote north-east. Surveys of the park have revealed endangered species never before recorded in the country …

… such as this giant muntjac deer, caught on a camera trap in Virachey park, where it had never been recorded before

A Jezebel butterfly rests on a leaf in the garden of a home in Banda Aceh, Indonesia

Wild goats search for food in snow-covered terrain at the Munzur Valley National Park in Tunceli, Turkey

Black-faced spoonbills at a mangrove wetland park in Danzhou City, Hainan, China. Of the six species of spoonbill, it is the only one considered to be endangered

Sandhill cranes at the Wheeler National Wildlife Refuge in Decatur, Alabama, US

Splitting hares … a crow finds itself under scrutiny from two European hares on an icy field in Gelsenkirchen, Germany

A squirrel, well insulated against the cold, at Colonel Samuel Smith Park in Toronto, Canada

Thirsty black-faced ibis drink from a swimming pool in the coastal town of Tongoy, Chile

A bee checks out a sunflower in Turen, western Venezuela

A yellow-eyed penguin, also known as hoiho, walks towards its nest in Sandfly Bay near Dunedin, New Zealand

A heron takes off at Westhay Nature Reserve in Glastonbury, UK

A fur seal yawns at Shag Point in coastal Otago, New Zealand

A bald eagle strikes a majestic pose at Union Bay in Seattle, Washington, US