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Q: How long does a species not have to been seen to be extinct?
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What is the comparison between existing species and extinct ones?

Existing species can be seen in the wild or in captivity. You can't say the same for extinct species. An extinct species has no living members.


What species is the golden Toad part of?

The golden toad (Bufo periglenes) is a true toad. They have not been seen anywhere in the world since 1989 and are listed as an extinct species.


How are California Condors important if they become extinct?

the species will no longer be seen


What is the difference among a threatened species an endangered species and an extinct species?

Extinct means there are none of that species in the wild, threatened means the number of that species is declining, and endangered means there are only a few thousand of that species in the wild.


Are there any extinct Amphibians not reptiles I cant find any?

The Yunnan Lake Newt (Cynops Walterstoffi)is a species of salamander in the Salamandridae family.It has not been seen since 1979.


Has anyone ever actually sen a megadallion shark?

No, no person has actually seen a megalodon shark (not megadallion) because these sharks are extinct. They are believed to have been the largest of all shark species.


When did animals became extinct most recently?

Animal species are becoming extinct all the time, but we often don't know about it as no one had ever identified the species, many humans have not even seen because we aren't looking.


Why is the texas ocelot becoming extinct in the wild?

The ocelot has never been common in the U.S., most of the ones seen in this country are vagrants from Mexico. The ocelot is doing fairly well, not considered an endangered species.


Will mosquitoes ever be extinct?

If you have ever been to, or seen the Canadian forests in the early morning... You have your answer.


What percent of species that existed on earth have gone extinct?

It is estimated that 99% of all animals that have ever lived are now extinct.


What is extinct of species?

In biology and ecology, extinction is the end of an organism or of a group of organisms (taxon), normally a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point.


Is any species of platypus going extinct?

There is only one species of platypus - ornithorhynchus anatinus - and it is not going extinct. Though elusive and rarely seen, platypus numbers are believed to have recovered to about e same population as they enjoyed prior to European settlement. Protective legislation has done much to ensure the platypus does not become extinct.