Kids Serve As Citizen Scientists, Dig Into Bison Poop

DENVER (CBS4) – Some children got a little dirty all in the name of science at the Denver Zoo this week.
The children served as citizen scientists by donning plastic gloves and digging into bison droppings.
(credit: CBS)
They looked for dung beetles in the patties to see what role they provide for the grassland ecosystems in Colorado and other Western states.
“One question we have is — with the reintroduction of bison, are those same dung beetles species here and are they break