Leaves: 3 pointed lobes with 2 smaller points near the stem (symbol on Canada flag).
Bark: Smooth, light gray to brown becomes almost black with irregular plates or scales.
Fun Fact: Maple syrup is made from this tree by collecting sap in the spring.

photo: MnDNR

Leaves: 2-4" oblong with tip; sharp, doubly toothed margins; dark to light yellow-green.
Bark: Light gray-brown with furrow and ridges. Some trees have loose, shreddy scales
Seeds: Papery scale-like sacs similar to beer hops, which explains its common name.

photo: MnDNR

Leaf: 7-11 narrow leaflets with pointed tips and fine-toothed edge.
Bark: Light gray-brown, smooth when young, then lightly textured shallow and narrow fissures with age.
Fruit: Round nut is too bitter to eat but used in smoking foods.

photos: MnDNR

Blooms: June - August
Commonly Found: Along shores and wood edges.
Petal Color: Pink or white.
Fun Fact: Monarchs lay their eggs solely on milkweed.

photo: USFWS

Blooms: July-Sept.
Found: In sunny areas.
Petals: Branching clusters with small, yellow flowers
Note: MN has 17 types of goldenrod that look similar with small yellow flowers.

photo: Elfosium / Wikimedia CC

Blooms: June - October
Found: In sunny fields.
Appearance: Tall flower with 15-20 pink-purple petals swirling around a reddish-brown center.

photos: Pixabay

MN is home to a few native crayfish, plus an invasive one. They all look like baby lobsters that reach 2-5 inches long.
Found: In streams and rivers with rocky bottoms and logs to hide under.
Fun Fact: While humans have 46 chromosomes, crayfish have 200. This allows them to self-amputate limbs if caught and then re-grow them.

ALAN SCHMIERER, CC0, via Wikimedia Commons

Found: Near tall grasses in late summer and fall.
Fun Fact: They are jumping phenoms, leaping 20 times their body length, which equates to a human jumping 120 feet.

photo: Will Brown / WikiMedia CC

Color: Bright orange with black veins.
Found: Flying around wildflowers.
Fun Fact: They fly down to Mexico before winter begins.

photo: Peter Miller / Flickr CC

Appearance: Back cap and chin.
Found: Year-round residents of MN forests and common visitor to bird-feeders.
Fun Fact: A friendly bird that has been known to eat seeds from human hands.

photo: Minette Layne / Wikimedia Commons

Appearance: Male is black with orange band across top of wing and spot under wings. Female is gray with yellow markings.
Found: Dashing through trees and bushes.
Listen for: Sweet, explosive songs.
Fun Fact: They flash their bright patches to startle insects.

photo: Dennis Jarvis from Halifax/CC BY-SA 2.0, via Wikimedia & National Parks Service/Public domain

Appearance: Gray with a white belly. The cap is gray in females and black in males.
Found: In the forest, hopping headfirst down tree trunks.
Listen for: Loud, nasally yammering

photo: Steve Ryan, Wikimedia CC

Appearance: Semi-circle with brown top and pure white underside.
Found: On tree trunks of hardwood trees and some conifers.
CAUTION: Never eat any mushroom unless knowledgeable.

photos: Cyndy Sims Parr/FlickrCC
George Chernilevsky/Public domain

It forms like a crust on rocks.
Appearance: Pale white-green-yellow with a waxy surface. The inner area forms cup-like bodies with yellowish centers.

photo: PJason Hollinger/WikimediaCC

Everybody poops, and sometimes we're lucky enough to find proof on the trail. Rabbit and deer (photo) poop/scat are like rounded pellets. Carnivores often have fur in their droppings.

photo: Kevin Casper / CC0 public domain

Deer hooves (photo) are commonly seen on or near trails. Their hooves make two side-by-side teardrop tracks. Other common prints are from raccoons, rabbits, opossums, and coyotes.

photo: QS Wiki Account, CC0, via Wikimedia Commons

Many animals, such as squirrels, raccoons, owls, bats, weasels, porcupines, songbirds, and others, make their homes inside tree holes. The holes can occur from tree decay or broken branches, or else with the help of woodpeckers. While it's rare to see the occupant, let's assume it's a home for someone.

photo: Lorianne DiSabato / Flickr CC

There are about 130 species of fishes found naturally in Minnesota. The most common ones to swim near shore and under docks are sunfish (photo). Seeing any fish will earn you points for this item.

photo: Joe Mabel, CC via Wikimedia

There are two tree frog species in MN, which look similar. Both are about 1 inch. They change colors in seconds to match their surroundings, varying from greens to grays.

photo: Richard Crook / Flickr cc & Fredlyfish4, CC 4.0 via Wikimedia