zugunruhehttp://www.oed.com/dictionary/zugunruhe_n%3Ftab%3Dmeaning_and_useZugunruhe, n.
First published 1986; not fully revised

Zugunruhenoun

Ornithology.
  1. 1950–
    Migratory restlessness; the migratory drive in birds.
    1. 1950
      Zugunruhe..is the restlessness displayed by caged migratory birds during the migratory period.
      Condor May 108
    2. 1971
      The behavior of the four groups was studied in terms of signs of Zugunruhe, or migratory urge, as shown by night activity and by the molt of feathers.
      Scientific American April 76
    3. 1978
      The birds were housed under natural photoperiod in an outdoor aviary, and tested only after they showed migratory restlessness (Zugunruhe) in activity cages and exhibited subcutaneous fat deposits.
      Nature 13 July 154/1

Zugunruhe, n. was first published in 1986; not fully revised.

Zugunruhe, n. was last modified in December 2024.