Synchronised dancing seals and a seahorse tugging a cotton bud are among the year's best wildlife pictures.
The world-renowned Wildlife Photographer of the Year finalists were selected from around 50,000 entries and the overall winners are to be announced on October 17.
The prestigious competition, now in its 53rd year, is renowned for celebrating "the astonishing diversity of life on our planet", the Kensington -based Natural History Museum said.
Winning pictures are selected for their "creativity, originality and technical excellence", it added.
The west London museum runs the contest and will host an exhibition of the best entries from Friday October 20 until spring 2018.
The stunning pictures will also embark on a UK and international tour, "bringing the wonder and fragility of the natural world to millions beyond London", the museum said.
"As we contemplate our critical role in Earth's future, the images show the astonishing diversity of life on our planet and the crucial need to shape a more sustainable future," a spokesman for the museum added.
There were nearly 50,000 entries from professional and amateur photographers of all ages across 92 countries this year.
The exhibition will cost £14 for adults and £8 for children.
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