That's not a typo -- oology (or oölogy, perhaps, if you're writing at The New Yorker) is the branch of zoology that deals with the study of eggs. You can extend the term to include the study of nests, or if you prefer, you can use the term "caliology" for that.
But instead of titling renowned photographer Rosamond Purcell's latest book Oology and Caliology, we titled it Egg & Nest. Having won access to the Western Foundation of Vertebrate Zoology's extraordinary collection of ornithological delights, Purcell took the opportunity to photograph them, and with the help of the Foundation's team of bird experts, turn them into a book that's rather an artifact in itself.
The New York Academy of Science's "Science and the City" podcast managed to collect Purcell, as well as Linnea Hall and René Corrado of the FVZ, to conduct an aural exploration of the Foundation's collections. And you can see some nice reproductions from the book at the web feature we did up for the book -- the photos shine, even on the screen.