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.
Small toads only eat various types of insects. Larger toads eat everything from insects to other amphibians, to mice and fish. When tadpoles hatch from the egg, they do eat pond algae, so that is the only time they eat any vegetation at all. As soon as they get on land, they never eat any type of vegetation again.