While most people have heard of falcons, here’s a definition: A bird of prey, with long pointed wings and a notched beak, typically catching prey by diving upon it from above. Six species in the falcon family have been seen in Ohio, but three of them — crested caracara, gyrfalcon and prairie falcon — are major rarities and unlikely to be seen. Of the three more common species, two are on the increase: merlin and peregrine falcon. Unfortunately, the most common falcon, American kestrel, is on a downward slide, although it is still easily the most frequent of Ohio’s…..