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- Season 10 1970-01-01
- Season 11 1970-01-01
- Season 12 1970-01-01
- Season 13 1970-01-01
- Season 14 1970-01-01
- Season 15 1970-01-01
- Season 16 1970-01-01
- Season 17 1970-01-01
- Season 18 1970-01-01
- Season 19 1970-01-01
- Season 20 1970-01-01
- Season 21 2009-08-08
- Season 22 1970-01-01
- Season 23 2011-10-06
- Season 24 2012-10-04
- Season 25 2013-10-03
- Season 26 2014-10-23
- Season 27 2015-10-01
- Season 28 2016-10-09
- Season 29 1970-01-01
- Season 30 1970-01-01
- Season 31 1970-01-01
- Season 32 1970-01-01
- Season 33 1970-01-01
Season 33 Episode
- Season 21 Crossing the Urban-Rural Divide
- Season 21 Bluebird Lady, Bull Run, Streaked Horn Lark
- Season 21 Boat Building, Sixgill Sharks, Tsunami Update
- Season 21 Knowles Creek Update, Vultures, Wave Power
- Season 21 Forest Thinning, Oregon Cave Cleaning, Portland Stairways
- Season 21 Bending the Wallowa River, Golf Clinic, Invasive Species Rapid
- Season 21 Bryan Bates, Surfer, Devil's Staircase, Hagg Lake Expansion
- Season 21 Murres & Eagles, Geocaching, Wind and Bats
- Season 21 Ethanol, Forest Surveyors, Old Tree
- Season 21 Ocean Acidification, Pygmy Owls, Green Roofs
- Season 21 Brown Pelicans, Freeriding, Oak Savannah
- Season 21 Dead Zone Update, Whychus Creek, Coast Aquarium, Sea Turtles
Oregon Field Guide - Season 21 Episode 8 Murres & Eagles, Geocaching, Wind and Bats
10.00 48 minutes Every spring, half a million seabirds called common murres come to nest on the rocks off the Oregon coast. As the number of bald eagles has increased in recent years, their attacks have brought havoc to the murre's breeding grounds. Tag along with an Oregon family as they go Geocaching - a game that was born in Oregon and has swept the globe. Using hand held GPS devices players scour the countryside in search hidden treasure. Sometimes hidden in a cave or under a rock these caches contain a log book and some sort of trinket. Players sometimes leave a trinket of their own, if they take what they find, but the real reward is in the hunt for more and more hidden caches. If you’ve taken a drive through the gorge lately, you’ve seen that turbines seem to be sprouting up faster than grass. Wind energy is big business now. Unfortunately, those turbines are taking an unexpected toll on migrating bats.
