These 14 photos of beautiful American wildlife remind us why we need to protect them.

When you think of an endangered species, what comes to mind?

African elephants or wild tigers in India? What about pandas in China?

But the truth is, we don’t have to look that far away to find endangered and vulnerable animal species. We have a bunch right here at home in the U.S. And a lot of them are threatened with extinction because of the things that we do to them, like build roads through their habitats or pollute the places where they live.

Since 1973, these animals have enjoyed some protections thanks to the Endangered Species Act (ESA). Over 1,600 vulnerable plant and animal species in the United States are covered by this federal law, which provides for their conservation and protection by restricting human activities that threaten them and making it a crime to harm or kill one of the species on the list.

Since it was signed into law, the ESA has helped several species recover — including the bald eagle, which was removed from the endangered species list in 2007 because its population had sufficiently recovered.

The law also benefits people because when it protects animals and their habitats, it helps provide us with clean air and water too.

So, what are some of the North American animals under threat today and what is being done to help protect them?  

Here are just a few of the animals on that list:

1. The gray wolf was mostly exterminated from the lower 48 states because humans hunted and killed them out of fear or to protect livestock.

Today, conservationists are working to help wolf populations recover in a few places — reintroduction projects have helped return wolves to some of their former homes.

2. Loggerhead sea turtles are the most common marine turtle species seen in U.S. waters,  but they're threatened by pollution, shrimp trawling, and development in their nesting areas.

3. The black-footed ferret is the only ferret native to North America but there are only about 370 left in the wild.

They are one of the most endangered carnivore species in the world because of disease, lack of habitat, and because humans poisoned their number one prey — prairie dogs. Once thought to be completely extinct, they were brought back with captive-breeding efforts.

4. The Florida panther once lived in the woodlands and swamps of the Southeast. Today, it is one of the most endangered mammals on Earth with only 100 left in the wild.

The panther's population was decimated after European settlers arrived in the 1600s because they destroyed and fragmented its habitat. The Florida panther is considered an "umbrella species" because protecting this apex predator also keeps its ecosystem healthy and balanced.

5. The North Atlantic right whale gets its name because it was once considered the "right" whale to hunt.

This whale species lives along the Atlantic coast of North America and is still one of the most endangered whale species in the world, even though it has been protected from whaling since the 1930s. Today, it is threatened by ship collisions, entanglement in fishing nets, and ocean noise.

6. The San Joaquin kit fox is a tiny fox — about the size of a domestic cat — and it is one of the most endangered animals in California.

They were once relatively common in California, but after a lot of their grassland habitat was converted into farms and orchards, their population declined. Today, only about 7,000 remain.

7. The piping plover is a small shore bird that lives along the Atlantic and Gulf coasts, as well as in the northern Great Plains.

Piping plovers are very sensitive to the presence of humans and too much disturbance on the beach can cause them to abandon their nests. They are also threatened by habitat loss and predators.

8. The Columbia Basin pygmy rabbit is found only in the state of Washington, where its sagebush habitat has been mostly converted to agricultural land or destroyed by human developments.

9. Pronghorns have the longest land migration in North America but this migration is endangered. They are also the fastest land animal on the continent but they are experiencing increasing run-ins with humans and property developments. And two subspecies of pronghorn are already listed on the ESA.

10. California condors are the largest bird in North America, with average wingspans of nine-and-a-half feet. For most of the 20th century, their population declined so quickly, they almost went completely extinct.

Many of the birds were killed by poison ingestion and illegal egg collection — which can be devastating because they only lay one egg every two years. At the lowest point, in 1987, their numbers dropped to only 10 birds. Today, thanks to captive breeding, there about 127 birds in the wild — but their fate is still uncertain.

11. The whooping crane is the tallest bird in North America and it is critically endangered.

In the 1800s and 1900s, the species was almost wiped out by habitat loss and hunting — and by 1941, only 15 birds remained. Conservationists worked with local, federal, and international governments to try to save the species, and while they aren't out of the woods just yet, their numbers are slowly growing.

12. Monarch butterflies spend most of their lives migrating across North America, and this journey has become more dangerous for them over recent years.

Illegal logging, deforestation, agriculture, forest fires, climate change, and increased development all pose threats to this butterfly's migration. Despite the fact that the population of monarch butterfly has declined by 80%, it is not currently protected by the ESA — though the U.S. Fish & Wildlife Service is in the process of determining whether that will soon change.

These are just a few of the many endangered or threatened wildlife species in North America — and if they are going to continue to survive, they need our help.

They need laws, like the ESA, to protect them, they need scientists working on conservation efforts to keep them alive, and perhaps most importantly, they need support and engagement from people to help work toward their recovery.

There has been a lot of pressure lately to weaken federal wildlife protection laws like the ESA or to de-list animals before they are fully recovered. If laws are weakened, if conservation budgets are cut, or if policy falls short, it will become even more important for us to step up and take preservation into our own hands to make sure that these animals stay safe. After all, without us, they could go extinct.  

But with an engaged and informed public, we can keep fighting the good fight to protect these species for generations to come.