Gray whale marking dart. Experimental markers to visually follow the the same whale for great distances. Roll of 4-inch wide, 3-ft. long vinyl streamer wrapped in roll to unfurl on side of whale after penetration of dart from cross-bow arrow.
Photo Location: California, La Jolla
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| Added On | 17th October 2015 |
| Viewed | 16 viewed |
| Downloads | 2 Downloaded |