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Sticker of Hen flea
Bug card No. 0725 of 1,500

Hen flea

Ceratophyllus gallinae
Eats: BloodOther insectsHouses and farms6 legs

The hen flea is a tiny brown flea that lives in birds' nests. Its body is flat from side to side, so it can slip easily between feathers. It drinks blood from birds, and it is a champion jumper.

Lives in
All over the world where people keep chickens, most of all in cooler places
Length
2 to 2.5 mm (0.08 to 0.1 in)
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Can bite or sting
It can bite people and pets, which makes an itchy spot, but it is not dangerous. Wash your hands after cleaning out a bird box or a chicken coop.
What does it eat?
The grown-up flea drinks blood from birds, especially chickens and tits. Its larvae live in the nest and chew bits of dirt there.
For real!Photo of Hen flea
Picture by Katja ZSM. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Hen flea about 2.5 mm long (0.1 in)A grain of rice about 6 mm (0.24 in)
2.5 of them in a row are as long as one grain of ricecould run across a dinner table in 7.2 secondsmoves 56 times its own body length every second

How big is Hen flea compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

It probably first lived in the nests of tits, little garden birds, and later moved in with chickens.

2

It spread all over the world together with chickens, even to islands with no tits at all.

3

It can wait all winter fully grown inside its cocoon, and jumps out when it feels shaking, warmth or a breath.

4

Only the grown-up fleas bite. The larvae have chewing jaws and live in the nest.

5

When a cat catches a bird, the bird's fleas may hop onto the warm cat.

you asked

Most asked questions about Hen flea

?Can hen fleas bite humans?

Yes, they can bite people and pets, but they much prefer birds.

?Where do hen fleas live?

Mostly in birds' nests, especially in nest holes and in chicken coops.

?How big is a hen flea?

Only about 2 millimetres long.

For bug experts

Scientific name
Ceratophyllus gallinae
Named by
Schrank, 1803
Group
Other insects
Family
Ceratophyllidae
Classification
Insecta > Siphonaptera > Ceratophyllidae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania
Also known as
European chicken flea

Where the facts come from

  1. Ceratophyllus gallinae (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Katja ZSM. CC BY-SA 3.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: Other insects

Also at home here: Houses and farms