| plant species | 5.79 | Nonnative animal and plant species have spread. | ||
| bird species | 4.48 | Scores of spectacular bird species are on display. | ||
| fish species | 3.75 | Low value fish species are not handled well. | ||
| tree species | 2.04 | Hundreds of tree species face extinction. | ||
| whale species | 1.38 | Several whale species often strand themselves on the Australian coastline. | ||
| oxygen species | 1.18 | These three reactive oxygen species are believed to be responsible for tissue injury. | ||
| wildlife species | 1.18 | Turtles are an endangered wildlife species. | ||
| prey species | 1.12 | Are individual whelks selecting particular prey species? | ||
| dinosaur species | 0.86 | New dinosaur species found in Africa. | ||
| ant species | 0.79 | Christian studied four ant species. | ||
| mosquito species | 0.79 | The Peninsula has a variety of mosquito species. | ||
| mammal species | 0.59 | The hazard posed by many mammal species is minor, experts say. | ||
| shark species | 0.53 | The report did not identify the shark species. | ||
| penguin species | 0.46 | Two other South American penguin species, the Magellanic and Humboldt, also suffer as waters warm. | ||
| primate species | 0.46 | Sexual coercion is much more common in some primate species than in others. | ||
| turtle species | 0.39 | Several turtle species are threatened. | ||
| warm-water species | 0.39 | Swordfish, another warm-water species, have been seen as well. | ||
| alga species | 0.33 | The newly-recognized algae species also was found in rivers in North Carolina and Maryland. | ||
| amphibian species | 0.33 | The Wyoming toad is considered one of the most endangered amphibian species in North America. | ||
| bat species | 0.33 | These are not the bat species that live in southwestern U.S. cities, including Austin. |