Yep, a silent dog whistle I ordered from a magazine about 50 years ago, and I was disappointed that it didn't make "all the dogs in the neighborhood come a runnin" the way it was advertised, lol. Link Removed
Guess what meat eater these talons belong to. Clues:
This picture was taken the first day the baby bird was out of the nest.
This bird is common in Indiana, USA. Here's a great jpg of one in flight. One of these full grown birds can weigh up to 3 ounces. In late spring it's common for people in the USA (except for Hawaii) to see a couple of these in the yard feeding their young. American _ _ _ _ _ American _ _ _ _ n