In their religion, the Thunderbird watered the Earth and vegetation was formed as a result. Lightning was the flash of its beak and thunder was the flapping of its wings. Birds like Eagles and Falcons commonly followed it around.
The Argentavis magnificens (Magnificent silver bird) was the largest known bird to fly, and could have been responsible for the concept of the Thunderbird.
Pukwudgies are like tiny little hairy humans, about the size of a Leprechaun. They are sometimes said to be friends with humans, and were very popular amongst the Wampanoag. They were kinda like little hunters, often being seen with a bow and arrow. They were said to be mischievous at times, but did not present a major harm to humans.
The Wendigo is regarded as a mythological creature and/or an evil spirit by a varity of indengious people inluciding the Algonquian Ojibwe, Eastern Cree, Saulteaux, Westmain Swampy Cree, Naskapi, and Innu peoples. It is decribed as a slender, long man with eyes of hot coal. Europeans often view it with the head of a deer. Natives associate it with the owls. Often it is asscoaited with cannibalism and has been used by many tribes as a way to ward off against cannibalism because the Wendigo is known to kill men in the winter. Likewise, it the personification of greed and selfishness.
To Europeans, this is known as Champ, in Vermont. It may have been just a large sturgeon or gar, but it is known to be a large plesiosaur-like creature. It is the only Native American, or any other sort, of cryptid that is protected by the Government, as certain bodies of water are legally safe-havens for the beast.
To the Narragansett, the Chepi was a “hobo-moth”, or fairy-spirit that would commonly attack the creator god. He was evil, and after Europeans came, Native People began identifying it with the devil.
The Wetuck is known as a giant among the Naragansett.