10,000 Birds

FEBRUARY 9, 2021

Manker’s thesis is that ornithology is an excellent gateway to students becoming science majors in college and, more broadly and longer-term, conservation-minded citizens. Of course, there was conventional classroom time spent on topics such as mechanics of flight, metabolism, digestion, nest building, egg production, and so forth.

2018 264

2018 Agenda Science Eggs 264

10,000 Birds

AUGUST 3, 2021

And, that sparrow I heard in California that sounded so different really is a Song Sparrow?” Bird communication is a complex and evolving science. There is discussion of the communication signals birds use in very large groups to locate mates and children, which is something that never occurred to me. How do they know?

North America 279

North America Research Birds Groups 279

10,000 Birds

JUNE 1, 2021

The National Audubon Society Birds of North America covers all species seen in mainland United States, Canada and Baja California. The photographs are from VIREO, the ornithological image collection associated with the Academy of Natural Sciences of Drexel University, which licenses bird photographs to many guides and reference books.

North America 279

North America America Birds California Condor 279

10,000 Birds

JULY 18, 2012

Seabirds are one group of birds that go for the latter strategy. A few families have a small number of eggs in the clutches, like gulls or cormorants. Others, like the petrels and some of the auks, will lay a single egg per breeding attempt.

Eggs 166

Eggs Puffins Breeding Raised 166

10,000 Birds

SEPTEMBER 2, 2017

California Quail – Callipepla californica. Eastern Egg Rock. Mark Hatfield Marine Science Center and Estuary Trail. Eastern Egg Rock. California Gull – Larus californicus. Eastern Egg Rock. Lassen Volcanic NP–Lost Creek Group Campground. Northern Bobwhite – Colinus virginianus.

2017 100

2017 Australia Sanctuary Woodpeckers 100