Environmental Engineering Reference
In-Depth Information
Grizzly bear
Kirkland's warbler
White top pitcher plant
Arabian oryx
African elephant
Mojave desert tortoise
Swallowtail butterfly
Humpback chub
Golden lion tamarin
Siberian tiger
West Virginia spring
salamander
Giant panda
Whooping crane
Knowlton cactus
Blue whale
Mountain gorilla
Pine barrens
tree frog
Swamp pink
Hawksbill sea turtle
El Segunda blue butterfly
Figure 9-3
Endangered natural capital:
species that are endangered or threatened with premature extinction
largely because of human activities. Almost 30,000 of the world's species and 1,260 of those in the United
States are officially listed as being in danger of becoming extinct. Most biologists believe the actual number of
species at risk is much larger.
