There is no way to check right now, but there are warning signs. If it doesn't have the Kalos Pentagon, then it comes from an older game, where it was easy to hack Pokemon. If it has a big series of max IVs, it's probably hacked (ie a 6IV Metagross or a 5IV Latias).
Tufted Titmouse are regulars at backyard bird feeders, especially in winter. They prefer sunflower seeds but will eat suet, peanuts, and other seeds as well. Find out more about what this bird likes to eat and what feeder is best by using the Project FeederWatch Common Feeder Birds bird list.
Its predators consist of Arctic Falcons, snowy owls the Arctic Fox. Lemmings: Lemmings are primary consumers and are herbivores. The predators of Lemmings are: Arctic fox, Arctic wolf, Arctic Peregrine Falcon and the Snowy Owl. It eats plants such as: Artic moss and arctic Willow Leaves. Caribou: The Caribou is a primary consumer and an herbivore. It eats plants like: the Caribou Moss, Cotton Grass and sedges.