| Term | Definition |
| atlantic salmon | interbreeding and competition w/ escaped farm raised salmon |
| california condor | shoots poisioning lead poisoning collisions with power lines egg collecting pesticides ghabitat loss decline of large admedium size native mammals dueto encroachments of ag. and urbanization |
| delhi sands flower-loving fly | 98% of habitat using for residential agriculture and commercial use |
| florida panther | hunting and development |
| gray wolf | conflits with humans, habitat loss |
| piping plover | prediation and human distrubance |
| manatee | overharvisting of meat oil and leather, today accidential collisions w/ boats and barges and canal lock operations |
| whooping crane | drainage of wetlands conversion of grasslands to agriculture, hunting forfeathers |
| american alligator | NOT ENDANGERED ANYMORE overhunting and sitruction of habitat |
| bald eagle | NOT ENDANGERED ANYMORE ingested DDT from contaminatedfish, now threatened |
| peregrine falcon | NOT ENDANGERED ANYMORE ingested DDT from birds |
| gray whale | NOT ENDANGERED ANYMORE small population |