You inspired me! I hauled 5 or 6 wheel barrow loads to the new run area, dumped them and spread them out just a little. The birds can finish leveling it.
I found a great surprise for the chickens, too. While loading the last wheel barrow load I dug into a big ant nest, filled with luscious, creamy white ant eggs! I kept it separate, then dumped the nest on top of the chips in the run.
When I let the chickens in, I pointed to the eggs and finally one took my cue and came over to look. Once she ate an ant egg the others were soon to follow her example. They love those ant eggs, and they're probably eating the ants, too.
Surprise #2, one of the cockerels found something interesting. I saw him looking at something in the pile, then I saw it move. A little baby snake, doing its best at aggressively striking at the cockerel. It was maybe 6 inches long and maybe 3/16" in diameter.
The hens saw it and just looked. Finally one grabbed it and they played "try to take my treat away" for a little while. But I think the snake must have been biting them and freaked them out a little. The snake was dropped and they wouldn't pick it up again. It slithered away.
The woodchip covered run floor...
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Chickens eating ant eggs...
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Hen looking at snake... The snake is striking in this pic, mouth open wide.
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Cockerel looking too...
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Looks like the chicken just grabbed the snake in its beak here...
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I'm disappointed that they didn't eat it. Maybe next time.