Riverwalk field trip

Wisconsinan glaciation. Glacial retreat. Chicago Wilderness.
Leech
damselfly larva (Order Odonata)
mayfly larva (Order Ephemeroptera)
Caddisfly larva (Order Trichoptera)
Aquatic sowbug (Order Isopoda)
Mallard Ducks
Mourning Dove
Black-capped Chickadee Poecile atricapillus
Yellow-bellied sapsucker holes in Pinus nigra; male cones
White Pine Pinus strobus seed
Spruce stomata lines
Ash flower galls on male flowers, caused by a mite, females overwinter in Fraxinus bark crevices and bud scales: dioecious
Box Elder (Acer negundo)
Eastern Sycamore (Platanus occidentalis)
Kentucky Coffee Tree Gymnocladus dioicus - what does this mean?
Honey Locust Gleditsia triacanthos
Lichen: Candelaria concolor, Parmelia sulcata, Physcia millegrana.