Markup Guide

A guide to the landmarking process using the viewer.

Extra Tips

Extra tips for the landmarking process.

How To Use The Viewer

How to use the viewer to manipulate a bill and add landmarking features.

Frequently Asked Questions

Answers to common questions about the project, editor and markup process.

Contact & Forum

Here you can ask (and answer) any questions that you might have about landmarking bird bills on or anything about the project.