Well, small stones like pebbles-perhaps- could be used by birds or maybe even beavers to help sustain and level out the trees
Birds use grass to make nests
wasp,turtle,gorilla
Birds use both their beaks and their claws for nest building.
What did they not use large animals to help with the building
list two examples of how animals use sounds that people cant hear.
A bird building a nest in the lamp over the steps, left a feather on a step to thank me.
No, I havent seen that happen. But yeah they might re-use their own nests for 2-3 years, though normally they prefer building a new nest each year.
for building things and for resources
ramps handicapped people use, triangle building blocks
Beavers use birch trees for building Dams and as a foodsource.
Your local hardware store should have bird traps you can use which is your best bet cost $10.00US if that. Is it illegal? No, as of 1981 you can relocate and move birds and nests as long as no harm is done to them as in being killed.
Tropical wading birds, alligators and Burmese pythons are examples of animals that use the Everglades for breeding grounds. The latter is an invasive species.
Bluebirds sometimes build more than one nest, as a diversion to predators.
crawling animals are animals that crawl on their hands and knees or their belly.. examples: snakes,snails,spiders,iguanas,bettles,alligators.etc.