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21by V. I. Emelyanov, А. P. Savchenko, V. L. Тemerova, К. A. Мikhaylova“... result, the premigratory flocks of birds have significantly decreased in the area of Lake Bele...”
Published in Russian Journal of Ecosystem Ecology (2021)
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22by Muir, John“... of their field of research in natural history, innumerable flocks of birds, chance to study reindeer...”
Published 1881
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23by Muir, John“... of their field of research in natural history, innumerable flocks of birds, chance to study reindeer...”
Published 1881
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24by Zoratto F., Manzari L., Oddi L., Pinxten R., Eens M., Santucci D., Alleva E., Carere C.“... in singletons as well as in social interactions and vocalizations in mini-flocks. Only birds in mini-flocks...”
Published in Behavioural Processes (2014)
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25“... and complex in flocks of birds under attack by raptors. However, studying collective behaviour experimentally...”
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26“... ) foraged close (i.e. ≤ 50 m) to both territorial breeding groups and non‐breeding Australian Magpie flocks...”
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27“... by the flight paths of returning flocks of birds to the colony carrying fish. High-abundance aggregations...”
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28by Montevecchi, William A., Davoren, Gail K., Anderson, John T.“... by the flight paths of returning flocks of birds to the colony carrying fish. High-abundance aggregations...”
Published in Ecological Monographs (2003)
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29by Piersma, Theunis, Hoekstra, Rinke, Dekinga, Anne, Koolhaas, Anita, Wolf, Pim, Battley, Phil, Wiersma, Popko“... of 10000 to 25000 birds. Over 100000 knots were recorded on three occasions. Knots feed in large flocks...”
Published in Netherlands Journal of Sea Research (1993)
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30“... patterns. Fin, humpback and minke whales were seen foraging in the vicinity of large flocks of birds...”
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31“... animals, but during swarming, vast hoards may migrate to the very surface within reach of large flocks...”
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32“... an effect only after sunset, when flocks of birds circled the island after being drawn in from what appeared...”
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33by Darling, Frank Fraser“... of winter groups and migratory flocks in autumn and the unifying element in them. And why do breeding flocks...”
Published 1938
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34Published 1973“...skein n This is what fishermen call a flock of birds. a flock of birds. DNE-cit MAY 1973 JH MAY...”
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35Published 1991“..., As it finally melts winters last flake. As flocks of birds return to sing, Every living beast celebrates spring...”
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36by Oglesby, Larry C.“...Flock of birds in flight over Rock Hill....”
Published 1973
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37by Oglesby, Larry C.“...Flock of birds in flight over Rock Hill....”
Published 1973
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38“... in a V-shaped flock. Some observations of different kinds of flocking birds repositioning within a...”
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39by Burger, Alan Eckard“...) adults within penguin colonies and flocking amongst birds foraging on the coastal plain. Time and energy...”
Published 1980
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40“... more interest. 2) Maintaining flock cohesiveness—birds which performed signals for longer periods while...”
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