Spring is half-way through and many animals have already had
their first batch of young; some are working on their second.
Perhaps you noticed when some of the house finches turned a
bright shade of red? In fact, many male animals look much
differently than the females, becoming more brightly colored,
larger, darker, or grow larger horns or antlers. This phenomena
is called sexual dimorphism. This is a complicated topic when
you begin to analyze all the different forms and shapes boys and
girls of the animal kingdom take in order to keep their gene
pool going. However I’m going to simplify it because it is
pretty darn interesting. Consider an animal; lets take a house
finch. Their lives are spent finding food, finding a mate,
finding lots more food for themselves and their young, and
surviving predation, accidents and weather. There isn’t much
time for playing around. The dawn chorus is the birds calling
out that they survived another 24 hours and where is everyone
else? Consider animal calories as money. Fin