A new animal every day

Today · Wednesday 28 October 2026

A pale pink axolotl with feathery pink gills rests on sand in front of green water plants, its see-through tail on the right.
Photo: Tina Ellegaard Poulsen · CC BY 4.0 · iNaturalist

Picked by voters

Axolotl

If it loses a leg, it grows a new one. It can even regrow parts of its heart and brain, without leaving a scar.

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Lives in
CanalsCanals and swamps of Xochimilco, on the southern edge of Mexico City
More about the axolotlScientific name, size and Red List status
Scientific name
Ambystoma mexicanum
Size
About 20 cm long, sometimes over 30 cm
IUCN Red List
Critically endangered

One of 49,505 species on the IUCN Red List that are threatened with extinction. See the assessment

Fact source: Marine Biological Laboratory

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This week

Every animal so far
  1. Mon 26Upside-down jellyfish
  2. Tue 27Boxer crab
  3. Wed 28AxolotlToday
  4. Thu 29Tomorrow’s animalin 21 h 38 min
  5. Fri 30
  6. Sat 31
  7. Sun 1

Why Animall

People can’t care about animals they have never heard of.

Scientists still discover thousands of new animal species every year, while many others are disappearing because of habitat loss and climate change. Some die out before anyone has described them.

10,000+

new animal species are described every year.

University of Arizona, 2025

86%

of species on Earth, and 91% in the ocean, have not been described yet.

Mora et al., 2011

73%

average drop in monitored wildlife populations between 1970 and 2020.

WWF Living Planet Report, 2024