PA Wildlife 11-26

River Otters belong to the ________________ (weasel) family.

• cervid

• canine

• rodent

• mustelid

Which of the following is NOT one of the adaptations that river otters have for swimming

• Webbed feet

• Long slender body

• Valves that seal their nose & eyes

• Propel by moving their body side to side

Why does the river otter have such a long gestation period?

• River otter pups take a long time to develop

• Delayed implantation of the embryo

• They live in the water

• So their young aren't born in the winter

River otter pups are born:

• fully furred and with their eyes open

• blind and toothless

• blind, but with fur and teeth

• With eyes open, but no fur

River otter social organization includes a very strong bond between:

• mother & pups

• pup siblings

• father & pups

• unrelated individuals

River otters are:

• carnivores

• omnivores

• herbivores

• insectivores

A river otter's favorite food is:

• frogs

• worms

• aquatic plants

• fish

What structure do river otters have for feeling around/sensing things underwater?

• Webbed feet

• Excellent underwater eyesight

• Whiskers

• Canine teeth

River otters became rare in PA in the early 1900's due to:

• invasive species

• unregulated hunting & trapping

• vehicle collisions

• disease

Tags

NGSS.MS-ESS3-4

Identify this animal.

• mink
• otter
• muskrat
• weasel

Tags

NGSS.MS-LS4-2