Seasonal and Diurnal Changes in Aggression and Territory Size in the Black‐headed Gull ( Larus ridibundus L.) on Islands in the Middle Reaches of the Vistula River

• Published in: Ethology
• Main Authors: Bukacińska, Monika, Bukaciński, Dariusz
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 1994
• Subjects: River Islands; Black-headed Gull; Larus ridibundus
• Online Access: http://dx.doi.org/10.1111/j.1439-0310.1994.tb01051.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1439-0310.1994.tb01051.x; https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1439-0310.1994.tb01051.x

Abstract Seasonal and diurnal changes in territory size and frequency of aggressive interactions of various intensity were examined in colonies of the black‐headed gull ( Larus ridibundus ) on river islands and ponds of central Poland. The highest frequency of the total aggression and the largest te...