Praying mantises are also known to capture and kill hummingbirds, as a reader from West Chester, Pennsylvania, describes. â BWD. The other day while I was working in the yard my son urgently called to me. âDad, a praying mantis caught a hummingbird!â. Not sure what to expect, but knowing my son is not one to make things up, I came running to see for myself. By the time I arrived it was too late for the poor hummer and my scientifically minded son had already begun taking pictures and studying the scene.
they say that sperm can survive for up to 5 days although this is only in the right conditions eg fertile cervical mucus usually they would last for 2 hours and that would be just prior to ovulation when your cervical mucus resembles egg whites
It is heat sensitive and cannot survive in high temperature. In the man's testicles, the semen or seminal fluid provides a favorable environment. Here, the seminal fluid allows the sperm to be motile and in constant temperature. Inside the body, sperm lives for up to 74 days. The main reason why male's testicles are hanging further away from the man's body is that to protect the sperm from the heat of the body. Sperm may also die due to the person's negative lifestyle. Alcoholism, smoking, drugs and others can affect sperm survival rate.