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Birds have gizzards aka crops. They need to eat rocks to be able to break down food. Humans chew food with their teeth. In a bird that step happens in the gizzard. The rocks grind the food so the intestines can absorb nutrients.
The easiest way to get rocks is to pick them from the side of the road.
Birds have gizzards aka crops. They need to eat rocks to be able to break down food. Humans chew food with their teeth. In a bird that step happens in the gizzard. The rocks grind the food so the intestines can absorb nutrients.
The easiest way to get rocks is to pick them from the side of the road.
wow I didnt know that, makes a lot of sense and I always wondered why birds would land in this area when there is a big field right over the divider
Fascinating info, thanks for sharing 👌