DENVER (KDVR) — With the mild winter and warm start to spring, beekeepers are seeing swarms earlier in the year and expect the season to be longer than usual.

Gregg McMahan is a dispatcher for the Colorado Swarm Hotline. It’s usually his job to send a beekeeper to collect a swarm when someone calls, but on Sunday afternoon, he decided to handle one himself.

“Nice little swarm,” McMahan said. “It’s tricky, though, because it’s hanging on a fence.”

A warm winter and spring mean swarm season has begun four weeks early.

“Never seen it like this ever,” McMahan said.

This call is to a house on Denver’s east side. When McMahan arrived, he saw a swarm had taken up residence on the fence.

“Absolutely typical, it is on the small side,” McMahan said.

He got to work, first luring them into a box when he spotted a good sign.

“See all these girls, they got their butts up, they’re fanning their wings. That’s telling us the queens in here,” McMahan said.

With the queen in hand, the rest began to follow her into the box.

McMahan said two years ago, he had 400 calls like this. Last year, only 100, the Swarm Hotline was as unpredictable as the weather, which has caused bee activity earlier in the year than ever.

“It makes it hard on the bees, you know? Two days ago, I’m collecting swarms in the snow,” McMahan said.

Rescuing them is integral to Colorado’s ecosystem. McMahan hopes people give a beekeeper a call instead of spraying them or harming them in any other way.

“They do a phenomenal amount of pollination within this state. Not only our native flowers but all the other flowers that people bring in,” McMahan said.

Slowly but surely, the swarm left the fence and moved into the box. McMahan loaded them into his truck to deliver them to their new home.

“Westminster to the Stanley Lake Wildlife Refuge, so these girls will have lakefront property tonight,” he said.

As he wrapped up, McMahan’s phone was buzzing more than the bees. Just another call to start a swarm season, he thinks, could be a long one.

“This year I’m already 20 swarms deep, so I’m expecting way more than 100 this year,” McMahan said.

To have a bee swarm removed for free from your property anywhere statewide, the Swarm Hotline number is 1-844-SPY-BEES.