• 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.

Search results

thxpress_search_the_forum Search Opus
  1. LittleBitOfBreadNoCheese

    Crow v Raven wing beat frequency

    I'm curious as to whether wing beat frequency might help distinguish crow from raven at a distance but there doesn't seem to be much information on bird wing beat frequency. However I did find this study comparing Jackdaws and Rooks which claimed to distinguish them both flying alone and even in...
Back
Top