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Washington Birds Breeding Phenology Project

This Burke Museum project examines when birds breed in Washington and how many eggs they lay. We hope to use this site to stimulate expansion of this project in the future.


Introduction
The study of how seasonal environmental changes influence regularly occurring biological phenomena is called phenology.
What is a breeding phenology?
A brief history of the Washington Birds Breeding Phenology Project

Interpreting the Breeding Phenology Data
How to understand the data in these species accounts.
What is a species account?
Format of the accounts

Species Accounts
Breeding data summarized for 220 species of birds that breed in Washington, organized via linked PDF files that can be downloaded.
Species accounts
References

Eggs of Western Grebe
Eggs of Western Grebe (Aechmophorus occidentalis). Photo by Scott Wilson
Photo by Scott Wilson