Looks a lot like fruit fly lava I have a ton of them around here . I don't know what they're living off of.These represent something extremely interesting. Appear to be larvae of two kinds of Diptera (flies). What made me aware of them was behavior of juvenile games foraging in grass that periodically engage in bouts of "twitter-bitting" where everyone involved would feed in a very small area for just a few seconds before mowing on to repeat sequence at most a few feet away. The intensity of feeding activity is not something I would consider typical for feeding on vegetable matter.
Getting curious I got down on hands an knees to push the juveniles out of the way. They pushed hard to get back into position and eat what they were after. A negative of having such extremely tame chickens. I followed the birds between bouts and kept catching glimpses of something white they pecked at fast. Resolved to get a look as what was being targetted, I crawled along with the birds to see them start again and then pounced to cover entire area with hands. It took a few seconds before birds moved on to find another batch. Then I looked to see what was present. Several larvae in tops of grass and also down in detritus on ground. Appears to be two kinds with multiples of each. After further observations, at least during interval I was watching, it appears than the chickens were getting most of their cropfill by eating the larvae and doing so rather quickly. The larvae appear to be eating the detritus.
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They are not associated with maggot experiment as the concentrations of larvae occur even across road and do not appear to be a function of distance from carcasses.
One thing I have found out with my game fowl,They have learned to vibrate they're beaks along the grass seed as to remove the seed with out the shell or stem. They do it for hours I believe they are absorbing water from the grass as well. similar to a grass hopper. I hardly see them visit the water reservoir any more.
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