Welcome Wolves! Please . . . .

1. Get out your index card and make sure your name is on it!!2. Read the board.3. Get out a piece of paper for notes

Why are species Why are species disappearing?disappearing?Hey – if we don’t know why it’s broke, we can’t fix it!

Subsistence HuntingSubsistence HuntingHunting to meet

personal needBushmeat in

Africa and South/Central America

Commercial huntingCommercial huntingPoaching = Hunti

ng the wrong◦ Species◦ At the wrong time◦ In the wrong

amounts◦ In the wrong

places

Superstitious beliefsSuperstitious beliefs

“Pest” control

Competition with introduced speciesChinese Tallow Balloon vine

Fire ants

Scientists estimate that every year in the United Scientists estimate that every year in the United States alone, cats kill 1.4-3.7 billion birds and States alone, cats kill 1.4-3.7 billion birds and approximately 12 billion small mammals, including approximately 12 billion small mammals, including rabbits, squirrels and chipmunks. rabbits, squirrels and chipmunks.

Feral animals (escaped from domestication)

PollutionPollutionDDT – Bald

Eagle/Brown pelican

Beluga whale – PCB’s

Biomagnification – accumulation of toxins as they move up the food chain

Pet TradePet Trade

Slow loris – not a good pet. Slow loris – not a good pet. Just no.Just no.

Habitat LossHabitat LossSimilar terms:

◦ Habitat alteration◦ Habitat

fragmentation

Check for understandingCheck for understandingWhat is the #1 reason that species

become endangered?How is a superstitious belief about an

animal different from the medicinal argument for protecting a species?

What is biomagnification?What is the difference between

subsistence hunting and commercial hunting?

How is hunting different from poaching?

CHARACTERISTICS OF CHARACTERISTICS OF SPECIES WHICH MAKE SPECIES WHICH MAKE THEM LIKELY TO BE THEM LIKELY TO BE ENDANGEREDENDANGERED

Some species are at greater risk to begin with.Some species will never be endangered.

They are specialistsThey are specialists

Specialist – Panda ONLY eats bamboo

Specialist – needs helmet to survive

Have attractive Have attractive fur/feathers/attributesfur/feathers/attributes

Take a long time to reach Take a long time to reach maturity, reproduce, and maturity, reproduce, and

produce only a few produce only a few offspring at onceoffspring at once

Lions African Elephants

Limited habitatLimited habitat

Attwater Prairie Chicken Blind Cave Salamander

Genetically similarGenetically similar

Cheetah California Condor

High on the food chainHigh on the food chain

Timber wolf Jaguar

Check for understandingCheck for understandingWhy would an animal high on the

food chain be likely to become endangered?

Name three characteristics of a species (besides high on the food chain) that make it likely to become endangered.

Homework tonight:Homework tonight:Wildlife

management tool:◦ Explain it, provide

example

◦ Be ready to teach yours to the class tomorrow!