Phenology

Phenology is the study of recurring plant and animal life cycle events in relation to climate and season. By observing these natural rhythms, we can engage visitors in hands-on learning experiences that deepen their connection to the natural world.

2026 Nature notes

May 18: Strawberries and barren strawberry flowers in bloom, Green frogs calling sporadically 

May 13: Cherries and service berry trees in bloom

May 12: Toads trilling, wood anemone blooming, grey tree frogs singing

April 29: first bats seen!

April 21: First mourning clock sighting, snapping turtles are out!

April 20: Salamander eggs found.

April 17: First mosquito sighted, Alder, birch, and hazelnuts are blooming! Trailing arbutus are starting to bloom at NLDC.

April 16: Loons returned, wood frogs first calling, trumpeter swans sighted, Statehouse Lake ice out, red-winged black birds return.

April 14: Golden-crowned kinglet sighted.

April 13: Fox sparrow sighted.

April 12: Salamanders move to ponds, first osprey sighted, spring peepers calling.

April 11: Kingfishers return.

April 10: First earthworms sighted, ruffed grouse drumming, Eastern phoebe sighted.

April 9: Mourning doves return.

April 6: Great Blue heron sighted.

April 3: Sandhill cranes sighted, Canada geese migrating, wood ducks sighted.

April 1: Common Redpolls sighted, chickadees pair up.

March 29: taps pulled from the sugar bush! 14 gallons of syrup made.

March 27: "wooly bear" caterpillar out and about. Snow buntings sighted.

March 24: Chipmunks out of hibernation. Robins spotted at NLDC!

March 18: Woodpecker drumming.

March 17: Dark-eyed junko sighted.

March 16: American tree sparrow spotted.

March 15-16: Third winter storm in one week, 9 more inches of snow.

March 14: Red winged black birds.

March 12-13: 7+ inches of snow fell.

March 12: 3 wolf daybeds found during tracking survey

March 10-11:  About 6 inches of snow fell at NLDC.

March 10: Trumpeter swans sighted, Canada geese seen on Manitowish River.

March 7:  Snow fleas spotted in the snow.

March 4: Raccoon tracks seen in the snow.

March 2: Snow melting around trees.

March 1: Sugar maple taps are in!

February 24:  About 4 more inches of snow fell at NLDC.

February 22:  About 4 inches of snow fell at NLDC.

February 20: Snow fly found crawling in the snow at NLDC.

February 16: 50 degrees F, temps steady in the mid 40’s from 2/13-2/17

February 10:  Giant water bug found in Statehouse Lake!

February 9: Swans spotted in the Manitowish River

February 5: Ice on Statehouse Lake measured at more than 12 inches thick. Water temperature 30 degrees F.

February 2:  A barred owl was spotted flying in the NLDC driveway. Staff found evidence of fox during a tracking survey.

January 31:  Evening grossbeaks seen in Winchester

January 29: fresh otter slides and footprints at NLDC

January 22-24:  cold temps, lows in the -20 to -35 degree range, plus wind chill

January 16-18: More than 11 inches of snow fell.

January 6: First rainfall after January 1, low temperature above freezing.