What role does specialization play in extinction vulnerability?

Dinosaur fossils have been found on all seven continents. All non-avian dinosaurs went extinct about 66 million years ago. There are roughly 700 known species ... ... information becomes available. Contact Information. Kevin Kern, Pesticide ... informational webinars, and other resources relating to EPA's endangered species ... NatureServe, one of the leading sources of information about rare and endangered species ... What is happening in our global landscapes to cause such ... She also worked as a business analyst with the International Species Information System (now called Species360), and was part of the team that developed ... Finally, there are many examples of abundant species that have become extinct or nearly extinct. Such species could have been identified as threatened only by a ... Apr 3, 2025 ... Species become endangered for two main reasons: loss of habitat and loss of genetic variation. Loss of Habitat. A loss of habitat can happen ... Sep 16, 2022 ... ... informational meeting and public hearing on October 12, 2022. Background. Under the ESA, the Service may determine that a species is endangered ... In this bottleneck the cheetahs of North America and Europe went extinct, leaving extant only the species' Asian and African populations b. As large mammals ... The lack of information about sea turtles leads many tourists to unwittingly support the international trade in these endangered species. Buying, selling or ... Under the ESA, the federal government has the responsibility to protect endangered species (species that are likely to become ... Once a species becomes listed as ...