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.
Servals enjoy a diverse diet. Servals eat a great variety of prey, including rodents, birds, reptiles, frogs, and insects. They catch much of their prey by leaping high into the air and pouncing. They have also been seen using their long forelimbs to reach into burrows or to hook fish out of water.