10,000 Birds

JUNE 15, 2011

But the sleekest of the sulids may be found in the family Sulidae. Many avid fans even wear bracelets… But then again, boobies as a group are pretty spectacular and first among equals must be the booby with the blue feet. How can you show your support for the unique creatures of Galápagos? Happy Blue-footed Booby Day!!

Ecuador 190

Ecuador Peru Hunters Pelicans 190

10,000 Birds

SEPTEMBER 1, 2015

For example, on finding gulls: Close study of gulls is not for everyone, and birders shouldn’t feel obligated to get deep into it if you prefer colorful, less-confusing, families of birds.

Birds 263

Birds North Carolina North America Owls 263

10,000 Birds

DECEMBER 6, 2016

Each family group starts with a description of what traits are common to the species within the family, its representation in Northern Central America, and other interesting, relevant facts. Each species account lists the basics—common name, scientific name, measurements in inches and centimeters.

El Salvador 234

El Salvador America Costa Rica Honduras 234

10,000 Birds

APRIL 1, 2014

You can interpret this major change as Sibley creating his own design template, utilizing placement to create connections and putting more trust in users’ basic knowledge. Birds are arranged in taxonomic order, organized into sections based on families. I just wish there was a little more uniformity in how the design was implemented.

North America 247

North America Birds Species America 247