underwater track with group of sexually excited male bottlenosed dolphins courting female - 性與生殖 個影片檔及 b 捲影像00:37
underwater ms track with sexually excited male bottlenosed dolphin swims towards surface - 性與生殖 個影片檔及 b 捲影像00:54動物陰莖
underwater pan with large bottlenosed dolphin group swimming over seabed with touching and sexually excited male - 性與生殖 個影片檔及 b 捲影像00:23
underwater track behind spinner dolphins mating just below the surface - 性與生殖 個影片檔及 b 捲影像00:19海豚, 動物交配
墨魚 (sepiida) 兩種頭足類動物是鎖定，在交配儀式中交織在一起。位置是安達曼海，泰國甲米。這是行為的原始的本能動物，確保他們的生存經典顯示。 - 性與生殖 個影片檔及 b 捲影像00:21大自然
seahorse, seahorses: curled up by roots, uncurling body, wraping tail around root. body & face. swimming between roots four pregnant males... - 性與生殖 個影片檔及 b 捲影像00:58動物交配
cu tu td pair of emperor penguins court then mate with colony in background / dumont d'urville station, adelie land, antarctica - 性與生殖 個影片檔及 b 捲影像00:41動物交配
b/w dolly shot past people around table eating + kissing during roman orgy / legend of faust - 性與生殖 個影片檔及 b 捲影像00:22女人
animated sequence showing a fertilised egg dividing into two during a process called gastrulation. - 性與生殖 個影片檔及 b 捲影像00:12
male lion (panthera leo) trying to mate with a lioness, okavango delta, botswana. - 性與生殖 個影片檔及 b 捲影像00:31打交
allen noonan, also known as allen michael and the cosmic messiah, of the one world family commune, a new age commune, comments on his beliefs about... - 性與生殖 個影片檔及 b 捲影像00:35
an australian diver recently captured a "beautiful" sight on camera: two big-belly seahorses locked in an embrace in rye, victoria. emily may, who... - 性與生殖 個影片檔及 b 捲影像00:13動物交配
african elephants mating in serengeti national park tanzania wildlife behavior - 性與生殖 個影片檔及 b 捲影像00:38
ms female japanese macaque sitting with her baby at the edge of a steamy pool as a male comes in and briefly mounts then grooms her - 性與生殖 個影片檔及 b 捲影像00:50
ms 4k vertical shot of bighorn sheep rams (ovis canadensis) chasing ewes, head butting and mating during the winter rut - 性與生殖 個影片檔及 b 捲影像00:16
pregnant hispanic woman and doctor discussiong pregnancy in a medical exam room - 性與生殖 個影片檔及 b 捲影像00:16女人, 體檢
water dances on the back of male alligator as it bellows in courtship display, florida - 性與生殖 個影片檔及 b 捲影像00:17
water dances on back of male alligator as it bellows in courtship display, florida - 性與生殖 個影片檔及 b 捲影像00:18
beautiful woman lying nude on the bed and flirtatiously playing and licking a single red rose. flirting with the camera - 性與生殖 個影片檔及 b 捲影像00:08紅色
valentine's day celebration. woman with red nail polish locking a heart-shaped lock in a promise of eternal love - 性與生殖 個影片檔及 b 捲影像00:16性感
slo mo two affectionate hippos with wide jaw playing in river at serengeti national park. a pair of loving hippos joyfully engage in playful antics in the river. - 性與生殖 個影片檔及 b 捲影像00:29河馬, 哺乳動物
dr antonio silva iglesia, in charge of family planning for the government in puerto rico, comments on the reasons why the birth rate in puerto rico... - 性與生殖 個影片檔及 b 捲影像00:32
an unidentifiable doctor uses a pen to point at parts of a diagram showing a female reproductive system. the pen is pointed at the vagina, the womb ,... - 性與生殖 個影片檔及 b 捲影像00:34性教育
pharmacist, speaking in his pharmacy , says that he does not want pharmacists to be responsible for providing contraceptive pills over the counter... - 性與生殖 個影片檔及 b 捲影像00:18女人
scientist from st bartholomew's medical school, who is working on a male contraceptive pill, explains diagrams that he has drawn on a chalkboard... - 性與生殖 個影片檔及 b 捲影像00:18
scientist annotates diagrams on a chalkboard relating to sexual reproduction in men. the terms, 'sperm', 'sertoli cell', 'leydig cells', and... - 性與生殖 個影片檔及 b 捲影像00:24
