On Labor Day let's take a look at some working birds.
Chickens were first domesticated about 9,000 years ago in both China and India but the idea didn't really take off for another 2,000 to 4,000 years. Then it spread slowly westward to Persia (Iran), Egypt, Europe and Africa. Chickens are now the most numerous bird species on Earth because humans like to eat them and their eggs.
Because of our close relationship to chickens we tend to forget that they are birds and we can learn from their behavior.
What does a hen do when she wants to lay an egg? This video answers the question among a flock of free range chickens.
"What is my chicken telling me?"
(video by Plant Abundance on YouTube)