• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
Feel the intensity, not your equipment. Maximum image quality. Minimum weight. The new ZEISS SFL, up to 30% less weight than comparable competitors.

Resources Portal - BirdForum Opus

(Redirected from Dictionary M-S)
Looking for something? Search for it here.


Welcome to the resources section of Opus.


The Dictionary is divided into several sections:

Hopefully the contents of the topography page will help you learn the body parts and feather tracts of the bird population.