What to look for in nature in Michigan this April

Which birds return to Michigan's beaches, lakes and skies in April?

• Piping plovers come back to the Great Lakes shore

  First arrivals usually in April; by early May most are on their beaches · Sleeping Bear Dunes National Lakeshore and other Lake Michigan and Lake Superior beaches

  The Great Lakes piping plover breeds only on Great Lakes beaches, and Sleeping Bear Dunes is summer home to more than one-third of the population, according to a National Park Service article posted by the state environment department. The count rose from 81 pairs in 2024 to 88 in 2025, a record and well above halfway to the recovery goal of 150 pairs. Monitors follow the birds from first arrival in April through nesting in May. A U.S. Fish and Wildlife Service biologist told the Associated Press in 2015 that plovers are typically spotted beginning the week of April 6, and in 2020 the first Sleeping Bear bird was reported back April 16. Respect roped-off nesting areas, and leash your dog.

• Common loons arrive as the ice leaves

  April on the inland lakes; early May at Whitefish Point · Northern Lower Peninsula and Upper Peninsula lakes; Whitefish Point on Lake Superior

  An officer of the Michigan Loon Preservation Association told public radio in 2023 that loons return as soon as a lake thaws, usually within a day or two, and that the northern migration typically happens in April. Dawn and dusk on a large, clear lake are the best times. At Whitefish Point Bird Observatory the waterbird count begins April 15, often with big flights of Canada geese and sandhill cranes; by month's end loons stream past, and the observatory describes one of the largest spring common loon flights in the country, usually peaking in early May.

• Broad-winged hawks begin to kettle

  Late April into early May; 2027 weekend dates not yet posted · Mackinaw City and Mackinac Island hawk watches; Whitefish Point

  March belongs to golden eagles and red-tailed hawks; late April brings broad-winged hawks, which spiral upward in groups on warm air, a behavior called a kettle. The Mackinac Straits Raptor Watch held a Broad-winged Bonanza Weekend on April 25 and 26 in 2026 and a Red-tailed Hawk Weekend on April 11 and 12; 2027 weekends are not announced, so check mackinacraptorwatch.org. Whitefish Point Bird Observatory says its broad-winged flight peaks in early May, when hundreds can kettle over the dunes. Go in the afternoon, with sun on the ground.

• Ruby-throated hummingbirds start to show up

  Mid to late April in the south in the years above; later farther north · Feeders and flowering shrubs in the southern Lower Peninsula first

  Journey North's recap of the 2025 migration says Michigan's first report arrived April 18, from Lansing, and a Detroit television station noted in 2023 that the previous year's map points began as early as April 16. Hang a clean feeder with fresh sugar water as the first reports reach neighboring states, and report your own first bird to Journey North.

When do frogs and toads reach full chorus in Michigan?

• Spring peepers and chorus frogs

  Early to mid April in the south; later in the north · Flooded woods, ditches and shallow ponds near forest edges

  Michigan State University Extension calls the spring peeper Michigan's smallest frog, at 1 to 1.5 inches, and its loudest. Most breed in April, and females lay roughly a thousand eggs, clustered on twigs and plants. A retired MSU Extension biologist in the southern Upper Peninsula describes a few early peeps in April and a roar from some woodlands by mid-May. The midland chorus frog, which sounds like a fingernail drawn over comb teeth, is usually first of all and often heard in March.

• Wood frogs: a short, noisy window

  One to two weeks, beginning around April 1 in the south · Vernal pools in hardwood forest

  The Friends of the Rouge watershed group describes wood frogs as up to 3.25 inches long, with a dark line across the eyes like a mask. They begin calling around April 1 and have the shortest breeding window of any Michigan frog or toad, one to two weeks, so a pool that roars one warm evening may soon go quiet. Their call has been likened to a duck's quack or a chicken's cluck. Go out after dark when the air is above freezing.

• American toads begin to trill

  Around April 15, with calling building through May · Shallow ponds, ditches and roadside pools

  The Friends of the Rouge page says American toads begin calling around April 15, and MSU Extension describes the song as a high-pitched trill lasting 15 to 20 seconds, with neighbors singing at slightly different pitches. Gray treefrogs call from spring into fall, with a bubbly sound people often take for a bird. The calendar shifts with the weather, so trust your ears over these dates.

What else wakes up in Michigan's woods and wetlands in April?

• Wild turkeys gobble, and the spring season opens

  The DNR sets the season to begin on the second-to-last Saturday of April, which falls on April 17 in 2027; 2027 unit dates and quotas not yet announced · Hardwood edges, fields and woodlots statewide

  The DNR says spring turkey dates follow a formula in the Wildlife Conservation Order: the second-to-last Saturday in April, then a set number of days. In 2026 hunt periods began April 18 in three units, Unit M in the Upper Peninsula, Unit NN in the northern Lower Peninsula and Unit ZZ in the southern Lower Peninsula, down from 14 units. Successful hunters must now report a harvest within 72 hours. Hunter or not, expect gobblers at dawn and strutting males in fields. The DNR has not posted 2027 quotas or end dates; check its spring turkey page.

• Ruffed grouse drum

  April and May, mostly at dawn and dusk · Young aspen and mixed woods, often along old logging roads

  A male ruffed grouse stands on a log and beats his wings, slowly at first and then faster, until it sounds like a distant engine starting. A Michigan DNR release explains that staff and volunteers survey grouse and woodcock each spring by listening on set routes starting 30 minutes before sunrise, since grouse are most active in the morning. The DNR and the Ruffed Grouse Society have also led evening woodcock walks in April. If a thumping puzzles you, stand still and watch the logs ahead.

• Massasauga rattlesnakes come out to bask

  Emergence typically early to mid April · Fens, wet meadows and shrubby wetlands

  The Michigan Natural Features Inventory says spring emergence typically starts in late March and early April, and at one Michigan fen it was recorded in early to mid-April. The snakes bask on sedge hummocks, muskrat lodges and embankments, and stay active until late October. Michigan's only venomous snake is shy and rarely seen, and the state appears to be the species' last stronghold. Watch your step in wet meadows, and never handle or move one.

Which fish run up Michigan rivers in April, and when do the seasons open?

• Lake sturgeon spawn in the Black River

  The guarding program runs mid-April through early June, a six-week spawning season · Black River, Cheboygan County

  In mid-April mature lake sturgeon begin heading up the Black River to spawn. Sturgeon For Tomorrow, with the Michigan DNR and tribes, recruits volunteers to stand shifts along the river from mid-April to early June to guard the fish from illegal harvest, according to a 2025 DNR release. Its volunteer coordinator says the program has run for over 20 years and has virtually eliminated poaching. If you go to watch, stay on public land, leave the fish alone, and report anything suspicious to the DNR poaching line, 800-292-7800 (call or text), as the fishing guide lists.

• Smelt dipping in Upper Peninsula streams

  April, during the smelt's spawning run · Streams that are not designated trout streams, mostly in the Upper Peninsula

  The DNR says people typically use dip nets for rainbow smelt in streams during their April spawning period, that Great Lakes smelt are no longer as plentiful as they were, and that the best dipping now is in Upper Peninsula streams. The 2026 fishing guide lists a dip net season of March 20 to May 31 on streams other than designated trout streams, a daily limit of two gallons of smelt, and nets no larger than 9 feet square. A new guide takes effect April 1, 2027, so confirm the rules before you go.

• Steelhead finish spawning

  April for spring-run fish · Rivers that drain into Lake Michigan, Lake Huron and Lake Superior

  The DNR's steelhead page says lake steelhead enter spawning streams from late October to early May, that fall-run fish spawn first, often in March, and that spring-run fish follow in April. They spawn on fine gravel in riffles above pools and do not necessarily die afterward. If you wade a stream this month, avoid stepping on gravel beds.

• The last Saturday of April: trout and walleye openers

  Last Saturday in April, which is April 24, 2027, by the 2026 guide's rule; Upper Peninsula walleye and pike open May 15 · Lower Peninsula inland waters; many trout streams

  The 2026 fishing guide, in force through March 31, 2027, lists the last Saturday in April as the start of the possession season for walleye and northern pike on Lower Peninsula inland waters, and the DNR's 2026 release said trout seasons opened the same day that year. Upper Peninsula walleye and northern pike open May 15. Walleye can be kept all year in the Lower Peninsula waters of the Great Lakes, in Lake St. Clair and in the rivers that join Lake Huron to Lake Erie. A new guide takes effect April 1, 2027, and the DNR's interactive Inland Trout and Salmon map shows the rules stream by stream.

When do wildflowers bloom, trees leaf out and morels appear in Michigan?

• Trillium and the spring ephemerals

  Typically late April to mid-May in the south; later in the north · Hardwood forest, especially in Southwest Michigan; Michigan Nature Association preserves such as Dowagiac Woods and Trillium Ravine

  A Michigan radio station's guide says trillium carpets normally begin in late April and run through mid-May, and the Michigan Botanical Society has led late-April field trips to the Michigan Nature Association's Dowagiac Woods and Trillium Ravine preserves. Two trilliums at Trillium Ravine are state-listed as threatened. Michigan BLUE magazine says the tiny blue-eyed Mary blooms for about six weeks beginning in April at Loda Lake Wildflower Sanctuary, a national forest preserve north of White Cloud. Never pick trillium, which can take years to bloom again, and stay on the trail.

• Morels follow the trees

  Late April to May; no agency posts a date · Beech-maple and oak woods, old orchards, and ground near dying elms

  MSU Extension's morel bulletin says rainfall is probably the most important factor, then temperature, and that veteran hunters watch for cues: oak leaves the size of a squirrel's ear, maple leaves the size of a mouse's ear, blooming serviceberry or wild plum, asparagus pushing up, or hepatica and white violets in flower. Black morels usually appear first. Be sure of a mushroom's identity before you eat it, and check landowner and public-land rules before you collect.

• Arbor Day

  Last Friday in April: April 30, 2027 · Everywhere; community and state park programs

  Michigan's Arbor Day falls on the last Friday of April, the DNR explains, and in 2026 the governor proclaimed April 24 as Arbor Day and April 19 to 25 as Arbor Week. That makes Friday, April 30 the date in 2027; check with local parks and your city for tree-planting events.

How warm, wet and stormy is April in Michigan?

How much daylight does Michigan gain in April?

What can you see in Michigan's night sky in April 2027?

• The Pink Moon

  Full at 6:27 p.m. EDT on Tuesday, April 20 · Rising in the east around dusk

  Sea and Sky says early Native American tribes named this full moon for the moss pink, a wild phlox among spring's earliest flowers, and that coastal tribes also called it the Fish Moon because shad swam upstream. The Moon is full at 6:27 p.m., before it rises, so a full-looking Moon climbs the eastern sky at dusk on both the 20th and the 21st.

• A poor year for the Lyrids

  Active about April 14 to 30; the peak is the evening of Thursday, April 22 (about 9:41 p.m. EDT) · Look to the northeast and east in the early evening, before the Moon rises

  Sea and Sky puts the Lyrids at about 20 meteors an hour at best, and the American Meteor Society gives a similar figure. This year the Moon, about 95 percent bright and just past full, rises near 10 p.m. in most of the country, a little later in the north. Just the early evening is dark, and the shower's source point, in the constellation Lyra, sits low toward the northeast then. Expect a few meteors an hour; bright ones can still cut through moonlight. The Eta Aquariids become active April 19 and peak in early May under a dark Moon.

• Venus before dawn, Jupiter and Mars after dark

  All month · Venus low in the east before sunrise; Jupiter and Mars in the evening sky

  Our own sky calculations put very bright Venus rising roughly an hour to an hour and a quarter before sunrise in April, for a viewer in the central United States; times shift by up to half an hour from place to place. By the same calculations, Jupiter and Mars stay in the evening sky in and near Leo, with Jupiter up for most of the night.

When is the last spring freeze in Michigan?

What can Michigan families do outdoors in April?

• Join the Frog and Toad Survey

  The survey has launched around the end of March or early April; 2027 start dates not yet posted · A route of ten wetland stops near you

  The DNR's Frog and Toad Survey is run by volunteers who drive an established route of ten stops, half a mile apart, pause five minutes per stop, and rate each species on a 0 to 3 scale, where 3 means too noisy to count calls. The DNR said it covers an average of 200 routes a year, though not every route is covered every year. Look on the DNR's wildlife pages for how to sign up and learn the calls.

• Visit Isle Royale as the park opens

  The National Park Service says the park is open each year April 16 through October 31 · Isle Royale National Park, Lake Superior

  The park service says spring visitors should expect to be completely self-sufficient, with services and emergency response limited to non-existent, visitor centers closed in April and no potable water on the island. Ferries typically run from mid-May, so April trips mostly mean a seaplane or private boat. Read the park's spring page before planning.

• Earth Day

  Thursday, April 22 · Local parks and nature centers

  Earth Day's organizers have named Food for Our Planet the theme for 2027. The Gillette Visitor Center at P.J. Hoffmaster State Park lists an Earth Day Hike among its regular programs, and nature centers often plan something near the date; check their 2027 calendars.

• Report what you see to Journey North

  Whenever you see a first · Your yard or a local park

  Journey North takes public reports of hummingbirds, loons and other first sightings, and its maps show spring advancing north week by week. Write down the date and place in a notebook as well.

Safety notes for April in Michigan