Airlines are clamping down on which comfort animals they allow in the cabin.

Live and Let Fly:

Recently, I argued that airlines must crack down on the abuse of emotional support animals. Passengers continue to twist federal law to bypass pet cargo fees and bring animals onboard who do not belong onboard.

Case in point: a woman tried to bring a peacock onboard a recent United Airlines flight at Newark Liberty International Airport. She did offer to pay for a second seat for this oversized bird, but claimed she had a right to bring it onboard as her emotional support animal.