Description Usage Format References Examples
Counts of Great tits (Parus major) observed at the mountain pass Ulmethoechi (BL, Switzerland) between 1982 and 2007 during fall migration.
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A data frame with 434 observations on the following 3 variables.
year
year
julian
day of the year
count
number of individuals counted
Korner-Nievergelt F, Korner-Nievergelt P, Baader E, Fischer L, Schaffner W, Kestenholz M (2007) Jahres- und tageszeitliches Auftreten von Singvoegeln auf dem Herbstzug im Jura (Ulmethoechi, Kanton Basel-Landschaft). Der Ornithologische Beobachter 104: 101-130.
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