Animal name
Bluefin Tuna picture 
Website reference for picture http://animal.discovery.com/fish/fishing/top-10-most-endangered-fish.htm Physical traits
The tuna is a streamlined fish, stout in the middle and tapering to points at either end. Two closely spaced dorsal fins rise from its back. The first is depressible–it can be laid down, flush, in a groove along the fish's back. The second dorsal fin and corresponding anal fin are long and pointed, resembling a sickle http://seagrant.gso.uri.edu/factsheets/tuna.html Animal behaviors
They can dive as deep as 914 m, and are known to swim long distances as they are a highly migratory species.
Reproductive process
Tuna sexual maturity is 3-5 years, and the female release about 100,000 eggs per2.2 lbs of body weight.
Common ecosystems
They live in subtropical & temperate waters of north atlantic ocean
Reason for endangerment
They are over fished not only because of their delicious taste but since its such a prize fish & worth aloth of money everyone wants to hunt it .
Animal name
Komodo Dragon picture 
Website reference for picture http://natureandscience-alb.blogspot.com/2013/02/the-sex-life-of-komodo-dragon.html Physical traits iT average 2.6 m & Adverage weight is 40-70 kg ,. sharp claws, 4 teeth each replacements at each position.
Animal behaviors
They dig dens to protect there selves from heat. They rub their bodies in the hair.
Reproductive process
Maturity both male & female 5-7 years . They lay average of 18 eggs 2.5- 8 months to hatch, hatch weighing a average of 80g
Common ecosystems
In rocky valleys , tropical monsoon forest & savanahs
Reason for endangerment
Natural disasters , volcanoes & forest fires ect..
Animal name
California condor picture 
Website reference for picture http://theraptorcenternews.blogspot.com/2012/09/california-condor-release-and-trcs.html Physical traits
Weigh up to 22 lbs & wing spand of 9.5ft. Color black with white under wing patches
Animal behaviors
Soar height up to 1500 ft can travel up to 150 miles a day.don’t have good sense of smell, mostly find food by eyesight.
Reproductive process
Gestation 56 days for egg incubation. Clutch size 1 egg.
Common ecosystems
California, Arizona & Baja California, Mexico
Reason for