13) Which choice best supports the claim that
conditions have improved for Peregrine Falcons?
A) I'm on cloud nine as I silently observe the bird's victory.
B) Back along the cliff side, after some careful scrutiny, I've
identified the female falcon as B/6.
C) The banding systems allowed us to study the birds'
annual survivorship, fidelity to territory and mate, and
migratory status.
D) Thanks to the diligent work of conservationists like Tom
Cade, officials removed the Peregrine from the endangered
species list in 1999.
