The British and Irish Association of Zoos and Aquariums (BIAZA) has announced the winning images in its annual photography competition. The 2020 winners show the important work of zoos and aquariums at an immensely challenging time. After months of closures, these conservation organisations are reeling from the financial impacts of the coronavirus pandemic. Here: Runner-up, Heart and Minds: Nifty nose, by Samantha Allworthy at Longleat. Species: prehensile tailed porcupines. (Photo by Samantha Allworthy/BIAZA 2020 Photography Competition)

Brain-on-a-chip. Dazzling in green and magenta this image shows the nerve fibres (in green) produced by neural stem cells (in magenta) as they grow on a synthetic gel. Captured by a technique known as confocal microscopy, the image is part of research shedding light on how tinkering with the environment can affect the way in which nerve fibres grow. (Photo by Collin Edington and Iris Lee/Massachusetts Institute of Technology/Wellcome Images)

A Saddle-billed Stork is seen in Amboseli National park, Kenya, February 10, 2016. (Photo by Goran Tomasevic/Reuters)

Judy, a black collie whose owner was killed by a train when trying to retrieve her after she slipped her lead. (Photo by Evening Standard/Getty Images). 17th December 1976

Television actress Catherine Fuller visits Trafalgar Square in London and feeds the famous pigeons. (Photo by Harry Kerr/BIPs/Getty Images). 26th June 1956

The battle by Jose Garcia, US. Category: bird behaviour. A great white heron (Ardea herodias occidentalis) fighting a green snake in the Florida Everglades. The fight lasted for nearly 20 minutes with the heron having to release its prey. (Photo by Jose Garcia/2017 Bird Photographer of the Year Awards)

English singer and songwriter Dua Lipa bends over for a sultry snap end of April 2022. (Photo by dualipa/Instagram)

Hira Punjabi, from Maharashtra, India, took this stunning photo of a parakeet attacking a tree-climbing lizard, which has won the SINWP Bird Photographer of the Year 2024, in aid of RSPB. She had to wait by the same tree for four days to get the perfect action shot. (Photo by Hira Punjabi/SINWP via SWNS)