Active bear dens with cubs will often produce sounds like squeaking, grunting, humming or sucking, usually when cubs are nursing.

Source: https://chicago.suntimes.com/2023/2/25/23612138/doe-sandhill-cranes-bison-illinois-deer-harvest-bear-dens-outdoor-notes

A generation grew up humming the theme song, dreaming of being featured as one of the “ordinary” Texans doing “extraordinary things,” as host Bob Phillips has described the program.

Source: https://www.csmonitor.com/The-Culture/TV/2023/1219/What-makes-a-show-about-everyday-Texans-must-see-TV?icid=rss

And you will turn off the TV and go to bed and wake up the next morning humming the got danged thing and wondering if there’s a way to surgically lance the portion of your brain that contains it.

Source: https://decider.com/2023/12/09/baby-sharks-big-movie-paramount-plus-review-stream-it-or-skip-it/

As Nathanson pointed out, though Roku ad revenues were down for the first half of the year, its stock price is “humming along, up over +120% year-to-date (vs. +17.6% YTD for S&P500)!”

Source: https://www.nexttv.com/news/roku-like-almost-everyone-else-works-around-the-edges-of-live-sports-with-nfl-draft-the-pick-is-in-bloom

“As one piece ended, he’d quickly reload his wireless, begin humming or tapping his foot to the next.

Source: https://www.buzzfeednews.com/article/ellievhall/45-details-prince-harry-spare

As the melody floats around your brain, you might find yourself humming it.

Source: https://hothardware.com/news/google-testing-hum-search-music-feature-youtube

Biden announced that hours of port operation would be extended to keep cargo movement humming.

Source: https://www.latimes.com/opinion/story/2023-01-30/ports-los-angeles-long-beach-supply-chain-shipping

Deines emphasizes cleanliness, keeping the equipment humming, and building friendships.

Source: https://www.timescall.com/2023/01/21/longmont-lessons-24-fitness/

I also kept humming a song that he had never heard me hum before.

Source: https://www.buzzfeed.com/hannahdobro/people-reveal-their-paranormal-encounters

If you're listening to a pop song you're sometimes just humming the tune and not thinking where those words are coming from.

Source: https://www.bbc.co.uk/news/uk-wales-64511615?at_medium=RSS&at_campaign=KARANGA

“It would be disappointing to have run in the Queen Elizabeth as a three-year-old and not as a four-year-old so we would love to be there, as long as we’ve got the horse humming along like we have this afternoon,” he said.

Source: https://www.sportsnews.com.au/horse-racing/demolition-job-for-anamoe-in-chipping-norton-stakes/587640

"Our Monday and Tuesday programs are really humming, and we would welcome more participants," he said.

Source: https://www.begadistrictnews.com.au/story/8325530/begas-grow-the-future-youth-project-hits-the-ground-running/?src=rss

PHOTO: PETER MCINTOSHNeighbours of a popular Dunedin fast food restaurant are at their wits’ end due to a new loudly humming fan that "just never stops".

Source: https://www.odt.co.nz/news/dunedin/neighbours-not-fans-kfc-noise

The humming is caused by air moving over those architectural features and causing reverberations that, in turn, make noise.

Source: https://www.dailymail.co.uk/news/article-12539337/New-luxury-seafront-homes-selling-1-8million-Folkestone-residents-awake-night-emitting-tinnitus-inducing-high-pitched-sound-wind.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

We're also continuing to make sure the go-to-market machine is humming as effectively as it can.

Source: https://seekingalpha.com/article/4608656-okta-inc-okta-q1-2024-earnings-call-transcript?source=feed_all_articles

You might not like it in the summer, but in the winter months, December, January, that son of a gun starts humming and he’s playing some really, really, really, good football.”

Source: https://nypost.com/2023/12/25/sports/jets-will-have-to-face-friendly-foe-in-browns-joe-flacco/