Grizzly bears in Montana tested positive for avian influenza
The three bears were euthanized due to their sickness and poor condition.
LEARN MOREAn outbreak of highly pathogenic avian influenza virus was found at a Minnesota farm, with 940,000 chickens affected.
Authorities are investigating the case as possible animal cruelty, a felony in Oklahoma that's punishable by up to five years in prison.
The floppy-eared pups, with a keen sense of smell and a gentle disposition, sniff out prohibited items at U.S. airports.
With a commitment to protecting and serving, meet some of the furry heroes who diligently work in airports across the nation.
40% of engagements take place between Thanksgiving and Valentine's Day, according to industry experts.
CBP officials say the Tucson area, including Nogales, is already seeing the highest number of migrants coming into the country.
25 million U.S. students use diesel-powered school buses daily, prompting debates on cleaner alternatives.