Flight of a Morpho amathonte male
Male-male combat of Otton frogs
Male-male combat of Otton frogs II
Major cheliped use in intruder male during male-male contest of hermit crab
Courtship display of male Northern Pintails, and submerging of a female for escape
Encountering when a male visited the territory of a female
A male baikal teal displaying head-pumping in front of a female
The Small Passion: Christ Condemned to Death
A male baikal teal following a female with calling
Major cheliped use in owner male during male-male contest of hermit crab
Egg care of male three-spined stickleback Gasterosteus aculeatus
The Small Passion: The Garden of Gethsemane
Interruption of copulation by an intruding male
Territorial defense of male three-spined stickleback Gasterosteus aculeatus
Interruption of courtship behavior of male three-spined stickleback Gasterosteus aculeatus
Chasing and sneaking behavior of male Japanese bitterling
A male three-spined stickleback Gasterosteus aculeatus refused the courtship from a female
Courtship behavior of male red-eared sliders and female rejection response
Egg-predation defense by the deception of a male three-spined stickleback Gasterosteus aculeatus
Struggle to dislodge in a heterospecific mating pair consisting of a female Drosophila santomea and male a D. yakuba
A male fiddler crab captured a female and took her into his burrow
Nest fixing with the kidney secretion of a male three-spined stickleback Gasterosteus aculeatus
Copulation of Japanese Grass Lizards, interrupted by another male
Male three-spined stickleback Gasterosteus aculeatus under fanning turned out a female
Last Updated: 2025-07-01T01:05:07
Uploaded: 2025-07-02