No horses or peacocks: US limits service animals on planes to dogs

Transportation department said passengers bringing unusual animals had eroded public trust in legitimate service animals'

The government has decided that when it comes to air travel, only dogs can be service animals, and non-human companions used for emotional support don't count.

The transportation department issued a final rule Wednesday that aims to settle years of tension between airlines and passengers who bring their pets on board for free by saying they need them for emotional support.