The three species of sunbirds changed from specializing on clumps with large numbers of closed flowers to visiting flowers nonpreferentially at different relative frequencies of unopened flowers.

As a speaker, he is a cut below.

When Katya was injured, he wrote off the team's chances in the finals.

As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.