1) Give money to charity
2) Go out and stop poaching/animal killing yourself
3) Set up your own charity
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The IUCN Red List identifies three rhinocerous species as "critically endangered".
The bald eagle is no longer an endangered species.
The main one I know of (and am most familiar with) is CITES - the Convention on the International Trade in Endangered Species.
Siberian, white, and Bengal
There are over six dozen different species of cardinal family Songbirds. You did not specify an exact species, for example the northern cardinal, pyrrhuloxia or vermilion cardinal, to give an example of just three of those dozens of species.Most are listed as least concern and are not endangered. Though a small handful are listed as near threatened (but not endangered).See the full list of cardinal species by clicking here.
dog cat and wild hamster
With a population of nearly three million from North Carolina to Texas, the American alligator is certainly not an endangered species.
Of the six species of Sea Lions, 2 species are listed as endangered and one is listed as vulnerable; the other three are not considered to be in any danger of extinction.
There is only one species, but several races in that species. The Mexican, Brazillian,and Central American to name three.
wild hamster the purple koala and the green elf
scientists say there are more than 4,000 so far discovered.