Barrowclough and I investigate spotted owls. These magnificent
birds live in the western United States, where they nest in
the largest, oldest trees. I am worried that northern
spotted owls may become extinct because the forest that is
their home is being cut down.
DNA taken from blood samples of
northern spotted owls
and California spotted owls to see if these bird species are different.
I concluded that they are. The government is considering my DNA
evidence as they figure out how to preserve the northern