There is a huge list of endangered animals as per the latest red list released by IUCN. Some of the major endangered animals mentioned in the list are:
1. African Penguin
2. African Wild Dog
4. Asiatic Lion
5. Blue Whale
There are some cases where direct human intervention had not been responsible for the near extinction of a species but indirectly human actions were responsible. In the case of the american bald eagle, the common pesticide used earlier called DDT entered into the food chain due to its irresponsible use.
It is important to understand the reason why the conservation of animal and plant species is necessary. Humans and animals live in a co dependent ecosystem. All of the things in this ecosystem are interconnected and any change in the ecosystem affects all the other participants in this ecosystem.
There have been a number of efforts which have helped restore the population of some of the endangered animals in the world. The captive breeding has been successful for some of the animal species. One shining example of this captive breeding are the pandas raised in China.
Private breeding has also been successful in raising the numbers of endangered animals. Researchers have found that creating strong economic incentive for protecting endangered animals has attracted a lot of private backers in the conservation effort.
In conclusion, there is a way to co exist if we want to. It just needs a concerted effort.