Konkurencja nasienia ((fyff))

• 00:00
• 01:16
• 02:08
• 03:24
• 04:16
• 05:32
• 06:24
• 07:40
• 08:32
• 09:48
• 10:40
• 11:56
• 12:48
• 14:04
• 14:56
• 16:12
• 17:04
• 18:20
• 19:12
• 20:28

Sperm competition is a term used to refer to the competitive process between spermatozoa of two or more different males to fertilize an egg of a lone female and happens when she has multiple partners.

• 3,004,398
• 21:20