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

Leaf: oval to triangular shaped with jagged teeth.
Bark: Thin, papery; becomes pure white with age, marked by black pores; peels off into thin sheets.
Fun Fact: Bark historically used to make canoes and wigwams by Ojibwe peoples.

photos: MnDNR

Needles: Flat and scale-like and have aromatic scent.
Bark: Gray to reddish brown, separating in long, vertical shreddy strips.
Found: In moist, rocky places.

photo: MnDNR

Blooms: July - September
Found: In prairies, open woods, along roads.
Petals: Feathery pink flowers with grasslike leaves grow in clumps in prairies.

photo: Angela C / Pixabay

Blooms: May - July
Found: On cliffs and forest edges.
Petals: Red/pink with club-like petals.
Fun Fact: Hummingbirds drink nectar from this flower.

photo: Jelieta Walinski/P&TC photo contest

Blooms: June - October
Found: Sunny fields, along roads or lakeshores.
Petals: Cheery yellow petals swirl around a black center.

photo: Luke Lawreszuk / Sprayedout.com

Often invisible until the sun hits it just right. Spiders create these fantastic contraptions to catch prey. The silk is made in glands on the spider's abdomen. Many spiders will eat their own web each day and rebuild a new one the next day.

photo: Aaron Kostko/P&TC Photo Contest

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

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

Appearance: White with gray wings, yellow bill with black ring.
Found: In lakes, ponds, streams and parking lots.

photo: Mdf / Wikimedia CC

Appearance: These two woodpeckers are nearly identical with the Downy a little smaller at ~6" and Hairy ~9". The female doesn't have the red mark on head.

Found: In the forest.

Photo: Andrew McKinlay/FlickrCC

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: Orange with yellow edge, shelf-like layers.
Found: On decaying stumps and logs or an injured tree in late summer or fall.
CAUTION: Never eat any mushroom unless knowledgeable.

photo: Jean-Pol GRANDMONT/WikimediaCC

Appearance:  Looks like a leaf of lettuce glued to a tree. It's pale yellow-green with wrinkly, wavy lobes.
Found: On the trunk of broad leafed trees such as maples, oaks, etc. and shrubs.
Fun Fact: Some people use it to dye wool.

photo: Björn S.../WikimediaCC

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

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

Color: Brown, olive green, or reddish.
Found: Near water or moist areas.
Toads are amphibians that start life as tadpoles and then emerge onto dry land as tiny toadlets about the length of a fingernail.

photo: National Park Service

Color: Black with 3 yellow lengthwise stripes.
Found: In the brush or sunning themselves on a paved trail.
No need to fear these reptiles who mind their own business.

photo: Christina Butler/Wikimedia CC

photo: Courtesy of Friends of Tettegouche