1. Marine Birds and Reptiles

2. Characteristics of Birds and Reptiles
Lay shelled eggs
Breathe O2 from air
Have oiled feathers to protect them from environment
Endothermic
Reptiles:
Lay shelled eggs
Breathe O2 from air
Have scales and thick skin to protect them from environment
Ectothermic

3. Sea Turtles There are 7 species of sea turtle. 5 are endangered.
Live most of their lives in the open ocean.
Return to land to nest.
Turtles nesting in Florida include green sea turtles and leatherback turtles.
Have developed streamlined bodies and flippers to adapt to their marine lifestyle.

6. Leatherback Turtles Largest sea turtles alive today
Eat jellyfish almost exclusively
Shells are not solid bone
Often migrate long distances for food

8. Sea Snakes 62 species live in the Indian and Pacific Oceans
More poisonous than land snakes
Grow between 4 and 5 feet long
Live very close to shore
Tend to be very docile

10. Marine Adaptations Have flattened bodies to help swim
Can absorb oxygen through their skin but cannot move on land
Have lacrimal salt glands
Most lay eggs in the water (Laticauda)

11. Marine Iguanas Live only on the Galapagos Islands
Dive up to 30 ft. to forage for algae
Uses mucous glands in its nose to expel salt
Must warm itself after a dive
Will shrink without food

14. Saltwater Crocodile
Only one species in Southeast Asia, one in the Americas
Males average ft. long, females ~10 ft.
Apex predator throughout its range
Mating pairs stay together during incubation, female cares for young
Asian species extremely dangerous to humans

16. Marine Adaptations Have lacrimal salt glands
Asian species can cross large distances of ocean

20. Penguins 17-20 species Live throughout the Southern Hemisphere
From 1 ft. to 4 ft. tall
Spend around half their time on land
Active hunters; eat fish and squid