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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 20 20th-Anniversary Special
- Season 20 Saltmakers, Undersea Eruptions, Underwater Fossils
- Season 20 Bagby Hot Springs, Bighorn Pneumonia, Rhododendron Garden, Spirit Lake Photo Essay
- Season 20 Fishers, Reptile Hunter, Terns & Cormorants
- Season 20 Amphibian Disease, Immersive Media, Oregon Garden Update, Vole Holes
- Season 20 Mt Washington Climb, Slugs, Umpqua Fish Watcher
- Season 20 Beeswax Ship, Electric Drag Racing, Native Bumblebees
- Season 20 Celilo Revealed, Effigy Beach
- Season 20 Hut to Hut Biking, Pine Bark Beetles, Stream Temperature
- Season 20 Catlin Gabel Forest Restoration, Condor Nest Search, Deschutes River Recreation
- Season 20 Feral Pigs, Fish Cam, Siletz Photoessay, Wetland Farming
- Season 20 Hummingbird Flight, Malheur Refuge Carp, Return to Mount St. Helens
- Season 20 Cats & Birds, Kayak Fishing, Multibeam Sonar, Spotted Owl Update
- Season 20 Eagle Cap Extreme, Portland Biking, Summer Lake Revisit
- Season 20 Jim Newman Salute
Oregon Field Guide - Season 20 Episode 12 Hummingbird Flight, Malheur Refuge Carp, Return to Mount St. Helens
10.00 48 minutes Hummingbirds aren’t just fun to watch, they're also on the cutting edge of science. The Oregon Field Guide team heads to the University Portland campus to see how scientists are studying hummingbird flight. Their research is being used in both sports medicine, and robotics. In the future tiny robotic vehicles using characteristics from hummingbird flight could be used for surveillance or in search and rescue operations. As the Malheur National Wildlife Refuge turns 100 years old it faces a serious crisis. An invasion by hundreds of thousands of carp threatens this linchpin in the Pacific Flyway. Trumpeter Swan, Whitefaced Ibis and Egret's are just a few of the many birds you can see at the Malheur refuge. Sadly you will not see many birds at Malheur lake as it has been overrun by introduced carp, but efforts are underway to help prevent further habitat loss. After three years of continuous eruption, Mount St. Helens has gone quiet but has not stopped changing. A new glacier has formed in the mouth of the crater and continues to expand. Scientists from the US Geological Survey have deployed a variety of equipment, allowing them to constantly monitor this dynamic environment. Take a rare trip into the crater to see what scientists continue to learn from the Northwest’s most active volcano.
