Misc: What US state includes the telephone area code 516?

Questions

This animal can be found in sub Saharan Africa & Gir National Forest in India.?

This animal is armed with bony plates & rolls up into a ball if frightened?

This animal is found at the beginning of an encyclopedia?

This animal is the symbol of the U S Republican party?

This artist cut off his ear & sent it to his lover, before shooting himself dead in a cornfield?