A red-tailed hawk (Buteo jamaicensis) perches on a river birch tree (Betula nigra) at John Purdue's grave on the Purdue campus. The red-tailed hawk feeds on rodents and graduate students. This is simply nature's way of thinning out the weak and unfit grad students.
Picture taken January 5, 2011.
Link to Buteo jamaicensis:
Link to Betula nigra:
Link to survival of the fittest: