Phenology

In this episode, co-hosts Charlie Mitchell and Heidi Holtan delight in a report from Northfield and discuss critter superpowers.Send us a voice memo through Speak Pipe!

In the Phenology Report for the week of Feb. 3, 2026, Staff Phenologist John Latimer remarks on groundhog hibernation and the aggressive spirit of muskrats and shrews.

During the week of Feb. 3, 2026, we enjoy a students' approximation of Bald Eagles smooching and reports of deep cold. Staff phenologist John Latimer responds.

During the Phenology Report for the week of Jan. 27, 2026, Staff Phenologist John Latimer remarks on Ruffed Grouse tracks, Great Horned Owls, and canid mating season.

In this episode, co-hosts Charlie Mitchell and Heidi Holtan discuss finding solace in nature and the effects of deep cold on invasive species.Send us a voice memo through Speak Pipe!

During the week of Jan. 27, 2026, we enjoy reports of deep cold and 'sea smoke' on Lake Superior. Staff phenologist John Latimer responds.

During the Phenology Report for the week of Jan. 20, 2026, Staff Phenologist John Latimer remarks on winter porcupines, woodpecker behavior, and aspen flower buds.

In this episode, Charlie Mitchell and Heidi Holtan are inspired by the feisty nature of red squirrels and learn about woodpeckers.Send us a voice memo through Speak Pipe!

During the week of Jan. 20, 2026, we enjoy reports of fluorescent lichens, graupel snow, and more. Staff phenologist John Latimer responds.

During the Phenology Report for the week of Jan. 13, 2026, Staff Phenologist John Latimer remarks on mid-winter trees, otter slides, and a rabbit killed by an owl.