A BIOLOGICAL BATTLE AGAINST THE THOUSANDS OF GARDEN CHAFERS (PHYLLOPERTHA HORTICOLA) THAT ATTRACT LARGE NUMBERS OF GULLS (LARUS SP.) DURING THE SUMMER SEASON AT RYGGE AIR STATION, NORWAY
Seven-eight years ago we first observed very large numbers of Garden Chafers (Phyllopertha horticola) swarming at Rygge Air Station in June and July, attracting large numbers of Black-headed- (Larus ridibundus) and Common Gulls (Larus canus) feeding on these flying beetles. Every summer season since...
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Language: | English |
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Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.552.6559 http://www.int-birdstrike.org/Brasil_Papers/IBSC28 WP15.pdf |