Loodusevaatlusi 1989, I.

Booklet I of the collection "Loodusevaatlusi 1989" contains an article about the arrival of migratory birds in Matsallu and reviews of the bird life of the Endla Rikliku Nature Reserve, Viljandi and Trimör. As a more serious work, you should highlight the article about the size of the herring gull's egg and the weight of a fresh egg. The collection is completed by the usual overviews of bird station activities and bird ringing in Matsalu and short articles. All articles are provided in English and Russian. with summaries.

The bibliographic list at the end of this booklet summarizes the articles published in the twenty years of the "Nature Observations" collection.