You can see tigers in the US if you go to a zoo and there are a few people with licenses to keep tigers and other big cats as pets but they are not native animals to the US they are more typically found in Southwest Asia, China, Korea, and Russia.
I really enjoyed the book about US Navy Seals in Vietnam that was written by a guy whose nickname is "Patches". He's got a lot of patches on his vest. Each of those patches indicates a certain military unit.
Thomas Jefferson ANS2: Bah! Jefferson did not have the nickname of 'Old Ironside'. In fact, none of the US presidents had that nickname. The USS Constitution had that nickname because cannonballs bounced off her oak sides.
The first Democratic woman was Mary T. Norton from New Jersey, whose nickname was "Battling Mary" because she fought for the causes she believed in (such as women's right and workers' rights). She began serving in the House of Representatives in 1925.