[8] Extreme temperatures and thin air have extra risk for brachycephalic animals such as bulldogs, Pekingese dogs, pugs and Persian cats.
A cat named Jack escaped from his carrier in American Airlines' baggage handling at John F. Kennedy Airport, went missing for 61 days, and was eventually euthanized.
[13][14][15] Another cat escaped and was run over by a vehicle on the tarmac at Indira Gandhi International Airport in Delhi, India when traveling with Jet Airways.
[16][17] In 2018, United Airlines admitted to forcing a passenger pet to be stowed away in an overhead bin, resulting in the animal's death.
[18] Only two days later, another dog aboard a United flight was mistakenly sent to Japan instead of its intended Kansas City destination.
[19] A similar incident occurred in March 2018 when Delta Air Lines sent a puppy to Salt Lake City instead of its intended Boise destination.
Smaller domestic animals can be ambulated locally in a pet stroller pushed or pulled by a human; this may be especially useful for ill, lame, and elderly creatures.
The stroller may be enclosed with netting to prevent escape while allowing the pet to view, hear, and smell the ambient environment.
[26][28][29][30] The designated ports are:[26] According to the Agriculture, Fisheries and Conservation Department (AFCD) of Hong Kong, for the import of cats and dogs from the following countries/territories—Category I & II—Special/Import permits are required but the pets may be exempt from four months' mandatory quarantine: Pet cats and dogs from other countries/territories—Category III—will have to apply for a Special/Import permit and go through a mandatory four-month quarantine upon arrival at Hong Kong, at the owner's expense, and provide proof of dogs being vaccinated against canine distemper, infectious canine hepatitis and canine parvovirus and cats being vaccinated against the feline panleucopaenia virus and feline respiratory disease complex not less than 14 days before and not more than a year before importation into Hong Kong.