yes
no
They are in Australia and are seven new species known as peacock spiders.
No, wolf spiders are not an endangered species.
It is not that endangered.
no
Peacock spiders eat baby crickets and "other small prey". In mating, the female may eat the male.
The Indian peafowl is not endangered, but listed rather as Least Concern, meaning the species has a viable population still. The correct term is "peafowl", peacock is the male. Females are called "peahens."
Huntsman spiders are a diverse family of spiders containing over a thousand species. As a family, they are not endangered.
There are two species of peacocks*. The Indian peacock is considered Least Concern (which means it is not endangered whatsoever). The other species, the Green peacock (or Javan), is endangered. In general, endangered species are protected, however I can't find any information on conservation programs for the green peacock. *The real name for peacock if peafowl. Scientifically, "peacock" is used only for males, peahen for females, and peafowl for both.
wolf spider are noctunal.
Peacock mantis shrimp are not an endangered species. While some prize them because of their coloring, others consider them to be a pest.
in peacocks and peahens
No, as it is only a color morph of the Indian peacock.