Puhtu Biological Station is a research station located in Pärnu county Lääneranna Parish, Estonia, at the coast of Baltic Sea.
[3] The main building was built in 1920s and belonged to the biologist Jakob von Uexküll.
[1] In 1949, after World War II, it became an official research station.
It is known for ornithology research, especially bird ecophysiology and ecology.
[4] Puhtu biology station belonged to the Estonian Institute of Zoology and Botany, and since 1997 to the Estonian University of Life Sciences (since the institute joined the university).