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Vertebrate Reproduction

Introduces the three types of reproductive strategies for vertebrates.

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Polly Want A Cracker?

Polly Want A Cracker?

Pacay Volcano, Guatemala. What could make this beautiful scene better?

No, Polly Wants A Chick

What's not to love about parrots? They talk, they mock, they have beautiful plumage. Some people will tell you they are the greatest pet and companion you can find. But, people's passion for parrots can cause problems.

No Duh's and Head Scratchers

If you need help scratching a mental itch, use the resources below:

  1. Were you aware that the exotic pet trade has an impact on wild populations? Do you think this represents a significant problem? Why or why not?
  2. Do you think researchers should be spending funds monitoring and improving the health of fledglings? Do you think this is a long-term or short-term solution to declining wild populations? Explain your thinking fully.
  3. Some people feel it is not appropriate to take intelligent wild animals and turn them into pets. How do you feel about this argument? Be as specific as possible in your response and consider both sides of this argument.
  4. The Collared Forest-Falcon (Micrastur semitorquatus) is identified as a source of predation on Scarlet Macaw fledglings in Guatemala. It's been suggested that reducing numbers of this predator would help the Scarlet Macaw population. What do you think of this approach to conserving species? Do you see problems with this approach? What kinds of information would you like to see collected to fully evaluate a suggestion like this?


Scarlet macaws maintain a monogamous pair-bond throughout their lives and live for over 30 years.

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