two basking sharks were spotted near swimmers off the shore in marblehead, massachusetts, on saturday, may 17. semperdrone said cold-water swimmers... - 濾食動物 個影片檔及 b 捲影像02:26
manta ray did a majestic loop-the-loop while feeding in the maldives, footage posted to... - 濾食動物 個影片檔及 b 捲影像01:05鬼蝠魟 - 魟
the sea - part 8 of 45. this film illustrates the interrelationships between living things in the sea, their dependence on each other and on the conditions of the marine environment. shows the diversity of free-swimming animals and illustrates basic conce - 濾食動物 個影片檔及 b 捲影像00:28
care of pets (2nd edition) - part 9 of 23. demonstrates how to care for canaries, tropical fish, cats, and dogs. points out that their well-being depends upon proper feeding, grooming, shelter, exercise and training - 濾食動物 個影片檔及 b 捲影像00:34
basking shark (cetorhinus maximus) swimming towards camera with mouth open, hebrides, scotland, uk - 濾食動物 個影片檔及 b 捲影像00:13
basking shark (cetorhinus maximus) filter feeding on plankton, hebrides scotland. - 濾食動物 個影片檔及 b 捲影像00:10
very big close up floating baleen, eye, cut of rope in upper lip and dentations in skin, st lawrence, canada. - 濾食動物 個影片檔及 b 捲影像00:09
whale shark (rhincodon typus) feeding, cu of open mouth, divers in background, maldives - 濾食動物 個影片檔及 b 捲影像00:37
manta ray (manta birostris) moving through schooling group of fish, landaa giraavaru, maldives - 濾食動物 個影片檔及 b 捲影像00:11
the salt marsh: a question of values - part 31 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - 濾食動物 個影片檔及 b 捲影像00:30
the salt marsh: a question of values - part 30 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - 濾食動物 個影片檔及 b 捲影像00:30
the salt marsh: a question of values - part 29 of 39. for his own survival man has to recognize the limits of his exploitation of natural systems. this film documents the value of the biological communities that exist between sea and land. the importance - 濾食動物 個影片檔及 b 捲影像00:35