Fall phenology

During the week of Nov. 25, 2025, we enjoy reports of bobcat sightings, Tundra Swans and a lingering heron. Staff phenologist John Latimer responds.

During the Phenology Report for the week of Nov. 25, 2025, Staff Phenologist John Latimer covers purple clematis flowers and the impressive adaptations of woodpeckers..

In this episode, co-hosts Heidi Holtan and Charlie Mitchell discuss the digestive habits of Northern Shrikes, naturalists' dodgy freezer contents, and the Northern Lights. We listen to recordings from Little Falls Middle School, John Latimer, Charlie's mom (Barb), and Clinton Dexter-Neinhaus.

During the Phenology Report for the week of Nov. 18, 2025, Staff Phenologist John Latimer explains where to find green (and red) in winter and fields reports of foxes and otters.

During the week of Nov. 18, 2025, we enjoy reports of new ice, Northern Lights, and a close-up look at a shrike's (in)digestion. Staff phenologist John Latimer responds.

During the Phenology Report for the week of Nov. 11, 2025, Staff Phenologist John Latimer covers the changing colors of snowshoe hares, the predicted arrival of snow cover, and more.

During the week of Nov. 11, 2025, we enjoy reports of a muskrat on the playground, Northern Lights above Duluth, and more. Staff phenologist John Latimer responds.

In this episode, co-hosts Heidi Holtan and Charlie Mitchell discuss Sandhill Cranes, the aurora borealis, and shifting seasons.

In this episode, co-hosts Heidi Holtan and Charlie Mitchell delight in Northern Shrikes, community science projects, and listen to alarm calls from common birds.

During the week of Nov. 4, 2025, we enjoy reports of Snow Buntings, busy squirrels, and overwintering insects. Staff phenologist John Latimer responds.