portage
1673 Louis Joliet & Father Jacques Marquette 8 miles: Chicago vs Cleveland, Milwaukee
MS watershed separated from Great Lakes (-> Des Plaines) by locks (also at North Shore Channel)
pothole
Slough? swamp, secondary channel
wetland
Tiger Salamander needs permanent pool?
Playa=ephemeral, dry lake "beach".
Otter Creek reduce runoff & flooding, recharge aquifer, filter pollution
MUCK lo O high organic. Beaver dam->swamp. Volo rain-fed; fen alkaline.
vernal
Spotted Salamander 3-4 months to adult: Eastern species, not found in Great Plains
Vernal Pools of McHenry County: salamanders and fairy shrimp
bog
Tollund Man 4th C BC Denmark.
Kearney near Sand Hills to its NW
Sandhill cranes on the Platte River, Kearney, Nebraska
ducks
Merganser serrated bill; Wood duck=perching duck but Anatidae(dabbler) Cormorant endangered.
Eared Grebe breed plumage gold feathers; wet crown(west US, Eurasia)Pied-billed, Horned in IL.
BBC-Life/5_Birds QH501.L544
34:30 Clark's/Western grebe crop (Oregon)
Clark's grebes dance on water
insects
PAPER CLIP tension
Lake_Chicago
Coulee from melting ice.
Outlet=Sag Valley (Palos) Cal-Sag Channel 1911: Calumet River - Sanitary & Ship Canal.
(Saganashkee Slough, Sagawau Canyon) Elevation 579 ft (176 m)
The Chicago River Reversal
river
Miss * Mo Rivers meet St. Louis.
Dams change dry-wet cycle, less sediment in Missouri River -> pallid sturgeon endangered
Illinois RiverWatch Network: a citizen scientist program to monitor Illinois streams
mayfly
BBC-LifeInTheUndergrowth/1.2_TakingToTheAir/#42:50
The Giant Mayfly: adults live 1/2 hour
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