Endangered Species

Most Endangered Species…
have a small range, require large territory, have long generations, have very specialized niche, or live on an island
Atlantic Salmon
interbreeding with and competition from escaped farm-raised salmon from aquaculture industry threaten the wild salmon population
California condor
shootings, poisoning, lead poisoning, collisions with power lines, egg collecting, pesticides, habitat loss, and decline of large and medium-size native mammals due to encroachments of agriculture and ubanization
Delhi Sands Flower-Loving Fly
1-inch long insect currently restricted to only 12 known populations in San Bernardino and Riverside counties. estimated 98% of its habitat has been converted to residential, agricultural, and commercial use
Florida Panther
hunting and development that resulted in habitat loss and fragmentation
Gray Wolf
subject of predator eradication programs sponsored by Federal government. Prior to Endangered Species Act (1973), exterminated from lower 48 states except for few hundred inhabiting NE Minnesota and small number on Isle Royale, Michigan
Grizzly Bear
conflict with humans and development that resulted in habitat loss and fragmentation
Piping Plover
subject of predator and human disturbance; endangered in Great Lakes region and threatened in Great Plains and on Atlantic Coast
Manatee
overharvesting for meat, oil, and leather originally. Now–>accidental collisions with boats
Whooping Crane
drainage of wetlands, conversion of grasslands to agriculture, hunting for feathers