Wildlife officials in Colorado are reminding those in the Boulder area to take extra precautions involving potential animal attractants, such as trash, after a bear attack took place on Saturday night.

According to a report from Colorado Parks and Wildlife, a man was walking his two dogs on-leash along Boulder’s High Street at about 11 p.m. on September 6 when the trio encountered a sow with a cub nearby. The sow charged the man and his dogs and the man tried to run. He then tripped over his dogs’ leashes and the sow ultimately scratched him across the back.

Details about the severity of the scratch were not released, though the man described his injuries to wildlife officials as “superficial.”

Following the attack, wildlife officials reminded the public that bears are starting to enter their hyperphagia phase ahead of winter torpor. During this time, bears are quite active and on a serious hunt for food, consuming up to 20,000 calories per day. When bears are in urban areas during this time, they’ll often seek out non-natural food sources, such as trash and bird seed, if those are made available. All Coloradans should take a moment to ensure that potential bear attractants are secure.

If a bear is spotted, give it space and never approach it. While black bears often seem to be scared of humans, they can become aggressive when feeling threatened or hungry. A mother bear with cubs can be particularly defensive.