article_snippet.sent: It isn't the first time a pet has gone missing at New York's busiest airport.
article_snippet.sent: In August 2011, a cat escaped from a cat carrier before an American Airlines flight from New York to San Francisco.
article_snippet.sent: a cat was eventually discovered -- alive -- two months later in a customs room at New York's busiest airport.
article_snippet.sent: But a cat later had to be euthanized because of injuries and malnutrition a cat suffered while lost.
article_snippet.sent: A wildlife biologist who works with New York's busiest airport has also placed traps to facilitate Felix's safe return, according to the Port Authority of New York and New Jersey.