inged Teal Anas crecca swimming on the lake, gazing into the distance. Birds take off from the lake and fly away. Slow motion.鸭绿色池塘动物鸟类动物习性植物水鸭宁静自然风景动物迁徙羽毛录像特写游泳闪避水生植物野生动物翅膀生态环境湖湿地池塘生物滨水飞反射日光野外动物
1.4c). Other relationships among major Euphausiacea lineages were less clear due to differences between the results obtained from the parsimony and likelihood analyses. In the other molecular phylogenies, which were all based on mitochondrial DNA (16S and ND1 gene sequences) analysed using parsimony...
Anas acuta. A female pintail on the lake in Siberia,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等
爱给网提供海量的英国街景照片库 (cc协议)资源素材免费下载, 本次作品为jpg 格式的绿头鸭_平鳍鳄_ 滑铁卢海洋湖的划船湖(Mallards _Anas platyrhynchos_ on the boating lake at Waterloo Marine Lake), 本站编号50051223, 该英国街景照片库 (cc协议)素材大小为87k, 分辨率为532 x 800, 许可范围为可商用,署...
Mallard Anas platyrhynchos male duck standing on the shore of the lake, water in background, scene from wildlife, Switzerland,. 照片 关于 女性, 关闭, 反映, 绿色, 秋沙鸭, 题头, 鸭子, 羽毛 - 146531439
Breeding origins of Northern Shovelers (Anas Clypeata) wintering on the Great Salt Lake, UtahThe breeding origin and migratory connectivity ofdoi:10.1676/wils-127-02-233-238.1Anthony RobertsMichael ConoverThe Wilson Journal of Ornithology
We used data from 1961 to 2011 to investigate effects of weather, breeding habitat availability and abundance of breeding mallards (Anas platyrhynchos) on productivity rates of mallards breeding in the Great Lake states (Michigan, Minnesota, and Wisconsin; hereafter GLS). We hypothesized that ...
21.10.2018. Gadwall (Anas strepera) 346 in one flock with Eurasian Wigeons (Anas penelope) and Mallards (Anas platyrhynchos) in the Liepaja lake at the end of Jauna str., Liepaja (R.Rekmanis). ParaCrawl Corpus A study was conducted in 2001–2003 on the spatial structure and behaviour ...
The lower clastic member under coal C_3 is interperted as deposits of anastomosed river system on the upper delta plain. 研究表明:C_3煤层形成对的下伏碎屑岩段为一发育在上三角洲平原上的网状河流体系。5) braided Delta and shallow Lake sedimentary System 辫状河道-湖泊沉积体系6...
Video about Wild gray duck mallard in the wild on a pond 2020. Video of anas, mallard, platyrhynchos - 186345198