Photo 3b (Animal Track & Trail Photo - Otter Tracks Upclose)     Otter Tracks (Up-Close), which George and Anne* spotted, on the Minnesota River Ice/Snow. Umm... How do you know these are otter tracks? We missed what George said to the attendees about otter tracks. David**, however, kindly answers our question. An Otter uses a jump-slide-jump-slide technique; first it runs ( ... ) and then slides on its belly ( ________ ) , then, runs ( ... ) again, ---. Watch the following Cool videos: River otter having fun sliding on the ice | Otter chaos This pic was shot on January 16, 2010 on George & Anne's birding walk, MN Valley National Wildlife Refuge, Black Dog Unit.　
雪/氷の上の川ラッコの足跡（ジャンプスライドテクニーク）どうして、この足跡が、川ラッコの足跡とわかるのでしょう？次のビデオをみれば、ジャンプスライドテクニークがわかります。 River otter having fun sliding on the ice | Otter chaos 　川ラッコのファミリーは、人間と同じように、何時間も、雪の斜面を滑り降りるのを楽しむそうです。jump-slide-jump-slide technique　
River Otters are playful animals. 川ラッコは、遊びを楽しむ事が出来ます
Birding at Black Dog Unit 100116 Photo: 1 | 2 Trumpeter Swans | 3a / 3b (Up-Close) Otter Tacks
Animal Tack & Trail Photos: Deer Tracks: 1 | 2 　鹿の足跡 | Deer Trail: 1 | 2 (101229) 鹿のトレイル(道) | Fox Track / Fox Tracks | Mouse Tracks (101229) マウスの足跡 | Otter Tacks (100116) 3a / 3b (Up-Close)   雪/氷の上の川ラッコの足跡 | Rabbit Tracks & Rabbit Hole (101229)　野うさぎの足跡と巣穴 | Raccoon Track:   1    タヌキの足跡 | Squirrel Tracks: 1   | 2 (101229) リスの足跡 | Squirrel (or Hare) Tracks　リス、または、野うさぎの足跡 | Turkey Track　七面鳥の足跡        Animal Track page
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* Naturalists George Skinner and Anne volunteer for the Minnesota Valley National Wildlife Refuge.
** David True, a naturalist, then worked for the Minnesota Valley National Wildlife Refuge, Rapids Lake Unit. Now he works for the Aransas National Wildlife Refuge Complex, in Texas.
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