Leaves: 7-9 leaflets per stem.
Bark: Dark brown tinged with red; strongly ridged.
Note: An invasive insect known as the emerald ash borer is spreading across the state and killing off many ash trees.

photos: MnDNR

Leaves: Same shape as all maples (think Canada flag) but very jagged with deep notches.
Bark: Smooth when young, becomes shaggy with age.
Found: In floodplains and can withstand seasonal floods.

photo: MnDNR

Leaves: Triangular.
Bark: Light gray on young trees and dark gray and rough on older trees.
Fruit: Fluffy, cottony catkins that disperse in wind in May - June.

photos: MnDNR

Blooms: June - August
Found: In sunny fields and rocky areas.
Petals: Tiny purple with orangish tips, packed around a gray cone.

photos: Pixabay

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

photo: USFWS

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

Appearance: 140 species in MN come in a rainbow of colors.
Dragonfly: Bigger and keep wings spread out when resting.
Damselfly: Smaller and close their wings when resting.
Fun Fact: They can fly upside down, backward, and turn 360° on a dime.

photos: John Wright / Flickr CC; Jim Johnson / iNaturalist CC; Wayne Fidler / iNaturalist CC

Color: Yellow with black outline or black with yellow marks.
Shape: Large wings with a set of tails at the end.
Found: Among wildflowers and along rivers, creeks and fields.
Fun Fact: In addition to eating flower nectar they also eat dead animals, dung and urine.

photos: James St. John/WikimediaCC

Appearance: Red-orange belly and black-gray top.

Found: Hopping on ground looking for worms to pull up and eat, or perched in trees signing.

photo: Mdf / WikiMedia CC

Appearance: Brilliant yellow with black wings and cap.
Found: In areas with thistle plants and usually in small flocks.

photo: Mdf / WikiMedia CC

Appearance: Reddish tail. Body comes in variety of colors from brown to mostly white
Found: Perching high or soaring over fields.

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

Appearance: Rich red-orange rosettes with radiating fingerlike lobes.
Found: Common on rocky shores. Found on every continent except Australia.
Fun Fact: Thrives under bird perches where it absorbs nitrogen from poop.

photo: Björn S.../WikimediaCC & courtesy of Gitchi-Gami Trail Association

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

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

photo: Courtesy of Friends of the Casey Jones Trail

photo: Courtesy of Friends of the Casey Jones Trail

photo: Courtesy of Friends of the Casey Jones Trail