Female brown headed cowbird on a mossy log.,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、工商银行等数万家企
Female Red-Winged Blackbird in tree with Female Brown-Headed Cowbird;,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
DOES VARIATION IN FEMALE BROWN-HEADED COWBIRD FECUNDITY HELP EXPLAIN OBSERVED DIFFERENCES IN HOST PARASITISM FREQUENCY?Reetz, MatthewSieving, Kathryn ERobinson, Scott K
Colour polymorphism (or polychromatism) refers to the existence of two or more discrete spectral phenotypes of individuals in a population (Caro2005; Roulin2004; White and Kemp2016). Such polymorphism may be controlled genetically and/or developmentally and may vary between populations, habitats, sex...