ᱜᱮᱰᱮ: ᱨᱮᱱᱟᱜ ᱫᱚᱦᱲᱟᱭᱮᱱ ᱛᱟᱞᱟᱨᱮᱭᱟᱜ ᱯᱷᱟᱨᱟᱠ ᱠᱚ

* [https://web.archive.org/web/20060613210555/http://seaducks.org/subjects/MIGRATION%20AND%20FLIGHT.htm list of books] (useful looking abstracts)

* [http://www.stampsbook.org/subject/Duck.html Ducks on postage stamps]

 

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