grizzly bears investigate a tent while naturalists watch from a predator shield. - 植物學家 個影片檔及 b 捲影像00:12
a grizzly bear drags a tent across the grass while a naturalist watches from a predator shield. - 植物學家 個影片檔及 b 捲影像00:17
a naturalist sits in a predator shield and watches lions feeding on a carcass. - 植物學家 個影片檔及 b 捲影像00:17
male hands picking up items w/ tweezers from ground & into plastic soap travel case, botanist using eye loop to look at sample in case, macro:... - 植物學家 個影片檔及 b 捲影像00:14
male officials, one in u.s. army corps of engineers uniform, standing near river & looking at lateral canal map, man w/ binoculars in woods taking... - 植物學家 個影片檔及 b 捲影像00:45
zoom in close up profile pan man checking olives on olive tree / tuscany, italy - 植物學家 個影片檔及 b 捲影像00:21
bred sugar cane trees. government greenhouses. int botanist tending to plants. man pouring test tube liquid on greenhouse plants. - 植物學家 個影片檔及 b 捲影像00:16
piper airplane landing at the kendall-tamiami executive general airport. the institute for regional conservation released a 10-year report authored... - 植物學家 個影片檔及 b 捲影像01:14
the sensitive ecological landscape of the everglades national park, home to many endangered and rare plants, is seen from the air on march 16, 2015... - 植物學家 個影片檔及 b 捲影像00:27
the sensitive ecological landscape of the everglades national park, home to many endangered and rare plants, is seen from the air on march 16, 2015... - 植物學家 個影片檔及 b 捲影像00:16
the endangered longclaw orchid is seen in the everglades national park on march 16, 2015 in miami, florida. the institute for regional conservation... - 植物學家 個影片檔及 b 捲影像00:16
aerial showing agriculture land in western miami dade county from a piper airplane. the institute for regional conservation released a 10-year report... - 植物學家 個影片檔及 b 捲影像00:15
jimi sadle , botanist at everglades national park; and george d. gann, chief conservation strategist for the institute for regional conservation,... - 植物學家 個影片檔及 b 捲影像00:24
piper airplane taking off from kendall-tamiami executive general airport. the institute for regional conservation released a 10-year report authored... - 植物學家 個影片檔及 b 捲影像00:28
the endangered mule ear orchid is seen after it was reintroduced to an area of the everglades national park after it had disappeared due to years of... - 植物學家 個影片檔及 b 捲影像00:19
george d. gann, chief conservation strategist of the institute for regional conservation, takes a picture of the endangered everglades crabgrass in... - 植物學家 個影片檔及 b 捲影像00:13
jimi sadle , botanist at everglades national park; and george d. gann, chief conservation strategist for the institute for regional conservation,... - 植物學家 個影片檔及 b 捲影像00:15
the endangered everglades crabgrass is seen in the everglades national park on march 16, 2015 in miami, florida. the institute for regional... - 植物學家 個影片檔及 b 捲影像00:22
the endangered everglades crabgrass is seen in the everglades national park on march 16, 2015 in miami, florida. the institute for regional... - 植物學家 個影片檔及 b 捲影像00:10
the endangered everglades crabgrass is seen in the everglades national park on march 16, 2015 in miami, florida. the institute for regional... - 植物學家 個影片檔及 b 捲影像00:16
jimi sadle , botanist at everglades national park; and george d. gann, chief conservation strategist for the institute for regional conservation,walk... - 植物學家 個影片檔及 b 捲影像00:16
british botanists have found a previously unrecorded orchid in the mountains of cambodia ahead of a major orchid show at london's kew gardens - 植物學家 個影片檔及 b 捲影像03:34
ms female botanist showing young students plants on tray in research greenhouse. - 植物學家 個影片檔及 b 捲影像00:15
ms female botanist showing worms to group of laughing young students in research greenhouse. - 植物學家 個影片檔及 b 捲影像00:11
