- Double yolked eggs rarely hatch as there's not enough nutrients to sustain both yolks.
- Chickens will scrub their feathers with dirt to get rid of oil buildup as a way of cleaning themselves.
- Chickens do not sweat.
- There are far more chickens than humans on our planet and have a larger population than any other bird species with around 25 billion.
- If you gave a chicken sweet and salty popcorn it would be able to taste the salty but not the sweet.
- A hen can lay over 300 eggs per year and the current record for most eggs layed in a year is 371.
- Avian bird flu is extremely dangerous for chickens and it can kill off whole flocks in a matter of days.
- The chicken was the first bird to have its genome sequenced.
-Chickens (and other birds) evolved to bob their head as they walk so that they can use parallax for depth perception.
- Mothers will teach their chicks to talk even before they've hatched.
- Chickens experience REM sleep and dream similar to how we do.
- Chickens see in full color.
- The term 'pecking order' literally refers to the intricate social heirarchies that chickens have which they start to take part in from three days old.
- Chickens can distiguish between and remember the faces of humans and others of their own kind.