cloacal kiss

(ornithology) The touching together of the cloacas of a male and female bird, during which sperm is transferred.

日本語の意味

鳥類学において、オスとメスの鳥の排泄孔（クロアカル部位）が接触し、精子が伝達される交尾行動

During mating season, the male and female duck briefly perform a cloacal kiss to transfer sperm.

繁殖期になると、オスとメスのカモは精子を受け渡すために短時間、総排出腔を合わせる。

意味（1）

(ornithology) The touching together of the cloacas of a male and female bird, during which sperm is transferred.

cloacal kisses

（ plural ）