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Phenology Report: April schedule includes phoebes, frogs and flowers

A brown and white songbird perches on a grey twig with red buds in the foreground.
Contributed
/
Courtney Celley/USFWS
An Eastern Phoebe perches in St. Louis County on April 30, 2025.

During the Phenology Report for April 8, 2025, Staff Phenologist John Latimer details the average April phenology calendar and the table manners of black bears.

As we march further into April, John provides us with a list of what to look for (as well as his average dates). If the weather is warm for April (or you live south or west of Grand Rapids), you can expect things to happen a bit earlier. Folks north or east of Grand Rapids will tend to have these events occur a bit later. Check out a map of this effect here!

  • First Compton’s tortoiseshell butterfly (April 8) 
  • First mourning cloak butterfly (April 9) 
  • Hazel brush flowering (April 10) 
  • Chorus frogs singing (April 13) 
  • First Eastern Phoebe (April 14) 
  • Wood frogs singing (April 16) 
  • Spring peepers singing (April 18) 
  • Red maples flowering (April 19) 
  • Tamaracks breaking bud (April 21) 
  • Leatherwoods flowering (April 23) 
  • Painted turtles basking (April 27) 

Topics

  • Introduction (0:00-0:37)
  • Phenology events in April (0:37-4:24)
  • Water levels and fire danger (4:24-5:10)
  • Membership drive (5:10-7:41)
  • Waterfowl (7:41-8:18)
  • Sandhill Cranes, speckled alders, and hazelnuts (8:18-8:59)
  • Black bears' table manners (8:59-10:16)
  • Nannyberry (10:16-10:50)
  • Turkey Vultures (10:50-11:02)
  • Red oak leaf attachment (11:02-12:32)
  • Bald and Golden Eagles and membership drive (12:32-13:58)
  • Goldfinches, sparrows, kestrels, and a piebald junco (13:58-15:45)
  • Conclusion (15:45-16:46)

What have you seen out there? Let us know: email us at comments@kaxe.org or text us at 218-326-1234.

That does it for this week! For more phenology, <b>subscribe</b> to our Season Watch Newsletter or visit the Season Watch Facebook page.

Funding for this project was provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR).

Stay Connected
Charlie Mitchell (she/they) joined KAXE in February of 2022. Charlie creates the Season Watch Newsletter, produces the Phenology Talkbacks show, coordinates the Phenology in the Classroom program, and writes nature-related stories for KAXE's website. Essentailly, Charlie is John Latimer's faithful sidekick and makes sure all of KAXE's nature/phenology programs find a second life online and in podcast form.<br/><br/><br/>With a background in ecology and evolutionary biology, Charlie enjoys learning a little bit about everything, whether it's plants, mushrooms, or the star-nosed mole. (Fun fact: Moles store fat in their tails, so they don't outgrow their tunnels every time conditions are good.)