EEK EEK
The majority of threats to dolphins are caused by humans (True or False)
True or False
True
Most major threats to dolphins are caused by humans including fishing interactions, pollution, habitat degradation, boat strikes and direct hunting to name a few.
Dolphins communicate using which sounds?
A) Squeaks
B) Whistles
C) Clicks
D) All of the above
D) All of the above
Dolphins are intensely social mammals that communicate with squeaks, whistles, and clicks.
Dolphins breathe through what?
A) Gills
B) Blowhole
C) Rostrum
D) Beak
B) Blowhole
Dolphins breathe air through a blowhole on top of their heads, not their mouths.
Dolphins are considered to be very intelligent mammals?
True or False
True
Dolphins are capable of complex problem solving and engaging in very sophisticated communication.
Climate change is considered a threat to dolphins?
True or False
True
The rapid warming of the planet is leading to a loss of habitat for whales and dolphins and greater competition for a diminishing amount of prey species.
Dolphins live in large groups called __________?
A) Herds
B) Flocks
C) Shivers
D) Pods
D) Pods
Dolphins live in pods that can number a dozen or more.
Which animal is the biggest threat to dolphins?
A) Octopus
B) Squid
C) Manatee
D) Shark
D) Shark
Dolphins main predators include sharks and killer whales.
Are dolphins fish or mammals?
Mammals
They breathe through lungs instead of gills and give birth to live young. Mothers also nurse their young with milk.
Dolphins are herbivores?
True or False
False
Dolphins are carnivores (meat eaters) that eat mainly fish, squid, and occasionally crustaceans like shrimp and crabs.
What do dolphins eat?
A) Fish
B) Squid
C) Crabs
D) All of the above
D) All of the above
Dolphins are carnivores (meat eaters) that eat mainly fish, squid, and occasionally crustaceans like shrimp and crabs. Their diet does vary by species with some eating octopus, jellyfish, and even small sharks or other dolphins.
Dolphins have the ability to see with sound much like sonar on a submarine. This is also known as?
A) Echo production
B) Sounds location
C) Echolocation
D) Sight location
C) Echolocation
Echolocation for dolphins is using reflected sound to "see" underwater, involving emitting rapid clicks through their forehead (melon) and interpreting the echoes that bounce back to navigate, find food, and identify objects in dark or murky waters, acting like a natural sonar.
What is the largest dolphin in the world?
A) Orca/Killer whales
B) Common dolphin
C) Amazon river dolphin
D) Maui dolphin
A) Orca/Killer whales
The largest dolphin, the Orca, can grow to be over 30 feet long.
Dolphins live in every ocean except?
A) Atlantic Ocean
B) Pacific Ocean
C) Arctic Ocean
D) Indian Ocean
C) Arctic Ocean
Dolphins live in every ocean except the Arctic and Antarctic oceans.
Approximately how many dolphin species exist?
A) 10
B) 40
C) 70
D) 100
B) 40
There are roughly 40 dolphin species found in every ocean except the Arctic.
Dolphins drink water?
True or false
False
Dolphins don't drink water because they get it from the food they eat.
Which dolphins generally live longer?
A) Males
B) Females
B) Females
Female dolphins generally live longer than male dolphins, particularly bottlenose dolphins, where females can reach 60 years or more, while males often live into their 40s or 50s, though lifespan varies by species and environment. This difference is partly due to males facing higher risks from competition, aggression, and resource competition, even though females invest heavily in reproduction.
Dolphins have larger brains than humans?
True or False
True
Their brains are actually bigger than human brains (Approximately 1600 grams versus 1300 grams).
Which one of these animals does not use echolocation (seeing with sound)?
A) Eagles
B) Dolphins
C) Bats
D) Whales
A) Eagles
Eagles do not use echolocation; they rely on their incredibly powerful vision, which is far superior to humans', to hunt and navigate.
What dolphin is known as the pink dolphin?
A) Amazon river dolphin
B) Common dolphin
C) Spinner dolphin
D) Bottlenose dolphin
A) Amazon river dolphin
The Amazon river dolphin, or boto, is a unique freshwater dolphin living in South America's Amazon and Orinoco river basins, known for its distinctive pink color.
What is the smallest dolphin species?
A) Hawaii dolphin
B) Maui dolphin
C) Boto dolphin
D) Common dolphin
B) Maui dolphin
The Maui dolphin is the smallest species at just 5 feet long.
What are male dolphins called?
A) Bucks
B) Rams
C) Colts
D) Bulls
D) Bulls
Male dolphins are called bulls.
Approximately how many hours a day do dolphins sleep?
A) 4
B) 8
C) 12
D) 14
B) 8
Dolphins sleep about 8 hours per day.
How many sets of teeth do dolphins have in their lifetime?
A) 1
B) 2
C) 3
D) 4
A) 1
They only get one set of teeth in their lifetime.
Dolphins have a good sense of smell?
True or False
False
Dolphins have well-developed touch and hearing but no sense of smell.
Dolphins have two stomachs?
True or False
True
Dolphins have two stomachs. One for storing food and another one for digestion.