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Why does the porcupine population stay rather stable?

Why do deer have a more dynamic population?

Population Dynamics

Slide 13

Population control

Population control

What about our domestic animals?

Spay

Neuter/Castrate

Keep separate

Dogs and cats reproduce quickly

Ave. lifespan of a feral dog- 1-2 years

Ave. lifespan of a feral cat- 4.7 years

What is an animal called that was once domesticated but is now wild?

Feral

It’s not a good life.

Slide 14

Population control

Population control

Feral-if born in the wild from domestic origins

How do the dogs acting with each other? With people?

Stray Dogs in Abandoned Detroit Aug. 2013

Feral Dogs in Russian

Stray- once had a home but is lost or abandoned

Why does Detroit have so many stray dogs?

How many postal workers had been bitten from Oct to July?

Slide 15

Population control

Population control

A USA Today article cites that pets who live in the states with the highest rates of spaying or neutering also live the longest. According to the report, neutered male dogs live 18% longer than un-neutered male dogs and spayed female dogs live 23% longer than unspayed female dogs. The report goes on to add that in Mississippi, the lowest-ranking state for pet longevity, 44% of the dogs are not neutered or spayed. (May 7, 2013)

Slide 16

Population control

Population control

Cows can be feral too…

Holy Cow 21:53-26:15

Slide 17

Marsupials

Marsupials

Babies are born alive but not fully developed.

The baby crawls into the pouch to drink milk and grow until more developed.

Slide 18

Marsupials

Marsupials

Slide 19

Monotremes

Monotremes

AKA…FREAKS OF NATURE!!!

Slide 20

Monotremes

Monotremes

1) Lay Eggs

2) Eggs hatch and young drink milk that comes out of pores…

3) Young are raised by the mother

Slide 21

Monotremes

Monotremes

What is a baby echidna called?

Slide 22

Porcupines

Porcupines

Um, how exactly do porcupines reproduce?

It seems a little dangerous…

Slide 23

Porcupines

Porcupines

Female porcupines (porcupettes) are only fertile 8-12 hours a YEAR!

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