Because hawks, eagles, and some humans eat them. But humans are the threat to their continuing existence because they kill them out of fear (and sometimes for sport) and more importantly, build homes, highways, and cities all over their habitat.
humans
Humans like shooting them.
habitat destruction, or humans
Humans and human activities, particularly fishing are the biggest threats.
humans poluting water sources, shooting them and pesticides
Eagles may avoid areas where humans frequent due to disturbances caused by human activity, such as noise or movement. Eagles are sensitive to their surroundings and may perceive humans as potential threats or sources of disturbance, leading them to avoid those areas.
Habitat destruction and fragmentation are the biggest threats to slender glass lizards.
There are no major natural predators for the king cobra because of its huge size. Humans are its biggest enemies.
Humans
No.
what are the threats to bighorn sheep by humans
The western diamondback rattlesnake faces several threats, including habitat loss due to urban development, agriculture, and deforestation. Additionally, they are often killed by vehicles on roads and by humans who fear or misinterpret them as dangerous. Climate change may also impact their habitats and prey availability. Lastly, illegal collection for the pet trade poses a significant risk to their populations.