Feathers” is a big subject for a short blog, so I’ll just address
one simple aspect this time – feathers as insulators.

s bird progenitors, the dinosaurs, evolved a few hundred
million years ago, they were also becoming warm-blooded in the process. (Warm-blooded
is not an accurate scientific term, but you know what I mean.) Warm-blooded
animals, …

This time of year, I get lots of e-mails asking me what to do
with a baby bird that “fell out of its nest”.

There are two categories of baby birds: nestlings and
fledglings. After hatching, baby songbirds, called nestlings, spend about two
weeks in the nest, growing rapidly from naked, blind, helpless birds …

I am happy to announce the
publication of The Birds of Bidwell Park,
my sixth book. This one was illustrated by my wife, Carol Burr, as we wanted to
work together on a project that would be fun, use our expertise, and be a contribution
to our community.
Many cities point out their open spaces …