A new animal every day

Today · Sunday 1 November 2026

A planthopper with mottled grey-brown, net-veined wings and a big reddish-brown eye sits near the tip of a narrow green leaf.

Picked by voters

Common issid planthopper

Its young have gears in their legs, the first working gears found in nature. They make both back legs move together in a jump, and adults lose them.

Lives in
GardensIvy, shrubs and trees in gardens and woodland across Europe
More about the common issid planthopperScientific name, size and Red List status
Scientific name
Issus coleoptratus
Size
5.5–7 mm long
IUCN Red List
Not evaluated

The IUCN Red List has assessed 175,909 species. This one has not been assessed yet. What this means

Fact source: University of Cambridge

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This week

Every animal so far
  1. Mon 26Upside-down jellyfish
  2. Tue 27Boxer crab
  3. Wed 28Axolotl
  4. Thu 29Four-eyed fish
  5. Fri 30Diving bell spider
  6. Sat 31Common poorwill
  7. Sun 1Common issid planthopperToday

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