Endangered Species are plants and animals that are very low in numbers and could disappear like the great dinosaurs that once roamed the Earth. Threatened Species are those that are declining in numbers, and might become endangered if conservation efforts are not immediately taken. As you browse through the endangered species section, you will learn that island ecosystems are very fragile and that island species depend on one another for survival.
Rats are a threat to rare plants because they eat the seeds, seedlings, and bark of young plants.
As you browse through this section, you will find out that island ecosystems are very fragile and that they depend on each other for survival. When a species disappears, it creates a chain reaction and may cause others to disappear also. The introduction of alien species and diseases to these islands has had a devastating effect on the native plants and animals and has led to the elimination of nine of the 12 bird species that made up the entire native forest birds of Guam. Determinations of Whether Designation of Critical Habitat is Prudent for 81 Plants and Proposed Designations for 76 Plants From the Islands of Kauai and Niihau, Hawaii.