• BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

    Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Search results

  1. Renze de Vries

    I bought a Swift Audubon 804 and need more information!

    OK, let's set things straight and update the Swift Audubon type 4a section in our Swift Audubon survey to perfection: Type 4a is the American edition of the redesigned Audubon 804 made by Hiyoshi for Swift Instruments. It was marketed from 1985 through (prob.) 1991 and came in 4 varieties...
  2. Renze de Vries

    I bought a Swift Audubon 804 and need more information!

    Hello Jan-Bert, I don't see anything unusual in your Audubon, except for the rather high serial number. But please take note of the caveat in our production data given for this type: 1985-1989 (approx.). When we were working on our paper we were often dependent on data on Audubons listed on...
Top