Many seabirds have glands near the eyes that allow them to drink seawater.
In dry areas they have been known to survive by drinking seawater.
Whales do not drink seawater but indirectly extract water from their food by metabolizing fat.
Most of its need for water is met through food, although, in contrast to most other marine mammals, it also drinks seawater.
A person should not try to drink seawater, because the dissolved salts will increase, rather than decrease, thirst.
"You'd have to drink seawater, which has three times the sodium content of blood."
Procellariiformes drink seawater, so they have to excrete excess salt.
After his fresh water leaked away, Willis discovered that he could survive for months by drinking seawater alone.
They were hungry and thirsty; some drank seawater or urine.
If he drank seawater he would take in a quantity of dissolved salt.
