Academic literature on the topic 'Herring gull behaviour'

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Journal articles on the topic "Herring gull behaviour"

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Goumas, Madeleine, Isabella Burns, Laura A. Kelley, and Neeltje J. Boogert. "Herring gulls respond to human gaze direction." Biology Letters 15, no. 8 (August 2019): 20190405. http://dx.doi.org/10.1098/rsbl.2019.0405.

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Human–wildlife conflict is one of the greatest threats to species populations worldwide. One species facing national declines in the UK is the herring gull ( Larus argentatus ), despite an increase in numbers in urban areas. Gulls in urban areas are often considered a nuisance owing to behaviours such as food-snatching. Whether urban gull feeding behaviour is influenced by human behavioural cues, such as gaze direction, remains unknown. We therefore measured the approach times of herring gulls to a food source placed in close proximity to an experimenter who either looked directly at the gull or looked away. We found that only 26% of targeted gulls would touch the food, suggesting that food-snatching is likely to be conducted by a minority of individuals. When gulls did touch the food, they took significantly longer to approach when the experimenter's gaze was directed towards them compared with directed away. However, inter-individual behaviour varied greatly, with some gulls approaching similarly quickly in both treatments, while others approached much more slowly when the experimenter was looking at them. These results indicate that reducing human–herring gull conflict may be possible through small changes in human behaviour, but will require consideration of behavioural differences between individual gulls.
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Massaro, Melanie, John W. Chardine, Ian L. Jones, and Gregory J. Robertson. "Delayed capelin (Mallotus villosus) availability influences predatory behaviour of large gulls on black-legged kittiwakes (Rissa tridactyla), causing a reduction in kittiwake breeding success." Canadian Journal of Zoology 78, no. 9 (September 1, 2000): 1588–96. http://dx.doi.org/10.1139/z00-085.

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During 1998 and 1999, the impact of predation by herring gulls (Larus argentatus) and great black-backed gulls (Larus marinus) on breeding success of black-legged kittiwakes (Rissa tridactyla) at Gull Island, Witless Bay, southeastern Newfoundland, was quantified in relation to the timing of the annual arrival of capelin (Mallotus villosus) to spawn. The frequency of predation attempts by large gulls on kittiwakes was compared among three periods: before the mean hatching date for herring gulls, between the mean hatching date for herring gulls and the arrival of the capelin, and following capelin arrival. The frequency varied significantly among the three periods, being highest after gull chicks hatched but before the capelin arrived. The frequency of gull predation was significantly correlated with the percentage of kittiwake eggs and chicks that disappeared each week. We estimated that 43 and 30% of kittiwake eggs and chicks at Gull Island were taken by gulls in 1998 and 1999, respectively. Kittiwakes have been indirectly (through increased predation by gulls) affected by the delayed arrival and lower abundance of capelin in recent years, which underlines the need to understand multispecies interactions when interpreting the effects of human alteration of the marine environment.
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Rice, Jake. "Behavioural responses of Common Puffins to kleptoparasitism by Herring Gulls." Canadian Journal of Zoology 65, no. 2 (February 1, 1987): 339–47. http://dx.doi.org/10.1139/z87-053.

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Herring Gulls (Larus argentatus) varied their rates of kleptoparasitic attack depending on Common Puffin (Fratercula arctica) foraging success. Attacks were more frequent on days when many puffins brought back food. However, puffins also varied their behaviour when approaching nest sites with food, so the rate of food loss to gulls per puffin remained constant as the number of puffins with food increased. Site differences in puffin activities after landing reflected only direct consequences of puffin and gull abundances and slope topography. After chick provisioning commenced, puffins at all sites showed increased vigilance after landing and more rapid burrow entries. Behaviour of puffins when approaching the slopes showed adaptations to the presence of gulls. On days when many puffins had food, puffins in areas of high gull density swamped the kleptoparasite. On days when few had food, puffins approached the slopes much as they did before chick provisioning commenced. Hosts as well as kleptoparasites may show closely tuned adaptations to potential food supply and likelihood of attacks.
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Goumas, Madeleine, Neeltje J. Boogert, and Laura A. Kelley. "Urban herring gulls use human behavioural cues to locate food." Royal Society Open Science 7, no. 2 (February 2020): 191959. http://dx.doi.org/10.1098/rsos.191959.

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While many animals are negatively affected by urbanization, some species appear to thrive in urban environments. Herring gulls ( Larus argentatus ) are commonly found in urban areas and often scavenge food discarded by humans. Despite increasing interactions between humans and gulls, little is known about the cognitive underpinnings of urban gull behaviour and to what extent they use human behavioural cues when making foraging decisions. We investigated whether gulls are more attracted to anthropogenic items when they have been handled by a human. We first presented free-living gulls with two identical food objects, one of which was handled, and found that gulls preferentially pecked at the handled food object. We then tested whether gulls' attraction to human-handled objects generalizes to non-food items by presenting a new sample of gulls with two non-food objects, where, again, only one was handled. While similar numbers of gulls approached food and non-food objects in both experiments, they did not peck at handled non-food objects above chance levels. These results suggest that urban gulls generally show low levels of neophobia, but that they use human handling as a cue specifically in the context of food. These behaviours may contribute to gulls’ successful exploitation of urban environments.
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Sutton, Luke J., Ryan A. Burrell, and Seb Loram. "Spatio-temporal trends in the predation of large gulls by peregrine falcons (Falco peregrinus) in an insular breeding population." Slovak Raptor Journal 11, no. 1 (December 1, 2017): 103–9. http://dx.doi.org/10.1515/srj-2017-0002.

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Abstract Individual diet specialization occurs in many populations of generalist predators, with specific individuals developing specialist strategies in their feeding behaviour. Intraspecific resource partitioning is hypothesised to be common amongst species in higher trophic levels where competition for resources is intense, and a key driver in breeding success and community structure. Though well-studied in other predators, there is sparse data on ecological specialization in raptors, which are important drivers of community and trophic structure. In this study, the breeding season diet of an insular population of peregrine falcons (Falco peregrinus) was determined from indirect analysis of prey remains collected over three years. An unexpected result was the high proportion of large gulls (Laridae), of the genus Larus, in the diet of two breeding pairs of peregrines. Large gulls made up 18.44% by frequency of total prey recorded and 30.81% by biomass. Herring gulls (Larus argentatus) were the most common large gull prey, with immatures most frequent (67.95%) compared to adults (19.23%). Overall, most gulls predated were immatures (80.77%). Frequency of predation varied between breeding pairs and months, but was consistent over the three years. Most gulls were taken in April (37.17%), followed by May (19.23%), with a smaller peak of immature herring gulls taken in August and September. The pattern of regular predation by peregrines on large gulls is a new observation with important implications for understanding individual diet specialization in raptors, and its effect on bird populations and community structure.
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Hébert, Percy N., and Robert M. R. Barclay. "Asynchronous and synchronous hatching: effect on early growth and survivorship of Herring Gull, Larus argentatus, chicks." Canadian Journal of Zoology 64, no. 10 (October 1, 1986): 2357–62. http://dx.doi.org/10.1139/z86-351.

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The adaptive significance of asynchronous hatching in the Herring Gull, Larus argentatus, was examined during the summer of 1984 at Kent Island, New Brunswick. Chick growth and behaviour in 28 experimental three-egg clutches in which the eggs hatched synchronously (i.e., hatch interval ≤ 24 h between the first (A chick) and last (C chick) hatched) were compared with that of 15 control three-egg nests with normal hatching asynchrony (A–C hatch interval > 24 h). All chicks had similar hatch weights, except for control C chicks, which on average were significantly lighter than their nest mates and experimental chicks. Growth rates were also similar for all chicks within and between groups, except for control C chicks, which grew at a significantly slower rate compared with nest mates and experimental chicks. In control broods, C chicks disappeared first significantly more often than A or B chicks. In experimental broods, a similar proportion of A, B, and C chicks disappeared first. Survivorship, through to day 5 posthatch, was significantly lower for control C chicks than for control A and B chicks as well as experimental chicks. These results suggest that the benefit Herring Gulls achieve hatching their eggs asynchronously results from the competitive advantage accrued to the A chick (and the B chick to some degree), which allows them to obtain more food, especially during periods of food stress. Subsequently the probability of survival of the older, more fit chick(s) is enhanced.
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Robertson, Gregory J., David Fifield, Melanie Massaro, and John W. Chardine. "Changes in nesting-habitat use of large gulls breeding in Witless Bay, Newfoundland." Canadian Journal of Zoology 79, no. 12 (December 1, 2001): 2159–67. http://dx.doi.org/10.1139/z01-180.

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We counted herring gull (Larus argentatus) and great black-backed gull (Larus marinus) nests in the Witless Bay Seabird Ecological Reserve in southeastern Newfoundland, Canada, in 1999 and 2000 and compared our results with previous nest counts from the 1970s. On Gull Island, herring gull nest numbers were 27.5% (1999) and 30.0% (2000) lower than in 1979. Similarly, on Great Island, by 2000 the numbers of herring gull nests had declined 40.8% from numbers in 1979. Counts of great black-backed gull nests were more variable, but suggest a slight or no reduction since 1979. Numbers of herring gulls nesting in rocky and puffin-slope habitats were much reduced (50–70%), while numbers nesting in meadows and forests have actually increased since the 1970s. Great black-backed gulls showed a similar change in nesting distribution. For herring gulls, these changes in nesting numbers matched differences in reproductive success previously documented in these habitats. We suggest that the decline in gull numbers and the change in breeding-habitat selection were caused by changes in the food availability for gulls. Reduced amounts of fisheries offal and the delayed arrival onshore of capelin (Mallotus villosus), an important fish prey species for gulls, have all likely led to the decline in gull reproductive output. Gulls nesting in meadows and forests may be maintaining adequate reproductive output by focusing on alternative prey, such as adult Leach's storm-petrels (Oceanodroma leucorhoa), rather than scarce refuse and fish.
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Hollmén, Tuula, J. Christian Franson, Douglas E. Docherty, Mikael Kilpi, Martti Hario, Lynn H. Creekmore, and Margaret R. Petersen. "Infectious Bursal Disease Virus Antibodies in Eider Ducks and Herring Gulls." Condor 102, no. 3 (August 1, 2000): 688–91. http://dx.doi.org/10.1093/condor/102.3.688.

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Abstract We measured antibodies to infectious bursal disease virus (IBDV) in blood of nesting Common Eider (Somateria mollissima) females and immature Herring Gulls (Larus argentatus) in the Baltic Sea, and in blood of Spectacled Eider (Somateria fischeri) females nesting in a remote area of western Alaska. Positive (≥ 1:16) IBDV titers occurred in 75% of the eiders and 45% of the Herring Gull chicks. In eiders, the prevalence of positive titers differed among locations. We found no evidence that IBDV exposure impaired the immune function of Herring Gull chicks, based on their response to inoculation of sheep red blood cells. We suggest that eider ducks and Herring Gulls have been exposed to IBDV, even in locations where contact with poultry is unlikely. The presence of this virus in wild bird populations is of concern because it causes mortality of up to 30% in susceptible poultry.
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Garthe, Stefan, and Birgit Scherp. "Utilization of discards and offal from commercial fisheries by seabirds in the Baltic Sea." ICES Journal of Marine Science 60, no. 5 (January 1, 2003): 980–89. http://dx.doi.org/10.1016/s1054-3139(03)00099-7.

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Abstract The distribution and abundance of scavenging seabirds and their utilization of discards and offal between June and December 1998 were studied in the western Baltic Sea. Herring gulls were clearly the most numerous scavenging species in all areas and all seasons, followed by great black-backed gulls, lesser black-backed gulls and mew gulls. High percentages of discarded gadoids (cod, whiting), clupeids (herring, sprat), scad, rockling and offal were consumed by seabirds during experimental discarding on fishing boats, whereas the percentages of flatfish consumed were extremely low. There was a clear effect of cod length on total and species-specific consumption by birds but this pattern was hardly evident for clupeids or dab. By combining official discard and offal statistics and our experimental discarding, we estimate that 6500 t of fish discards and 16 000 t of offal were consumed annually by seabirds in the Baltic Sea. Bivalves, especially blue mussels Mytilus edulis, were the most frequently represented food item in herring gull pellets. Fish identified in the pellets consisted mainly of gadoids, in particular cod. The proportion of discards in herring gull pellets was on average 1.6% (range: 0–4.5%) at Laboe and 17.5% at Warnemünde (range: 9.4–25.5%), but pellets bias diet assessment as offal and other soft prey (including clupeids) will be under-represented. Scavenging on discards and offal is a widespread phenomenon in the Baltic Sea as it is in other shelf areas of Europe, but the number of bird species involved is generally lower and strongly biased towards gulls, especially herring gulls.
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Rice, Jake. "Interactions of variation in food supply and kleptoparasitism levels on the reproductive success of Common Puffins (Fratercula arctica)." Canadian Journal of Zoology 63, no. 12 (December 1, 1985): 2743–47. http://dx.doi.org/10.1139/z85-409.

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Colonies of Common Puffins (Fratercula arctica), differing in numbers of breeding Herring Gulls (Larus argentatus) present, also differed in puffin numbers, burrow placement, and burrow activity rate. All differences indicated that puffins avoided gulls. Sites differing in gull numbers did not differ, however, in puffin fledging success or weights of fledged chicks. Chick weights and fledging success were low. The pattern of weight gain by chicks was irregular over the season, although consistent among sites for individual periods. These results imply that food usually was hard to find, although occasionally locally abundant. Pressures on puffin reproductive efforts due to variation in food supply and levels of kleptoparasitism do not appear to be additive; rather, low food availability decreases the effect of gull kleptoparasitism as well.
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Dissertations / Theses on the topic "Herring gull behaviour"

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Niebuhr, V. "The coordination of behaviour between breeding herring gull mates." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355792.

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Gamble, Jennifer R. "Suboptimal Foraging Behavior by Herring Gulls." W&M ScholarWorks, 2000. https://scholarworks.wm.edu/etd/1539626250.

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Dunlavey, Eric G. "Age-Related Differences in the Prey-Dropping Behavior of Herring Gulls (Larus argentatus)." W&M ScholarWorks, 2001. https://scholarworks.wm.edu/etd/1539626308.

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Knudsen, Brian. "Reproductive success and behaviour in herring gulls breeding in adjacent cliff and flat habitats." 1987. http://hdl.handle.net/1993/16543.

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Books on the topic "Herring gull behaviour"

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Tinbergen, Niko. The herring gull's world: A study of the social behaviour of birds. New York, NY: Lyons & Burford, 1989.

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The herring gull's world: A study of the social behaviour of birds. New York, NY: Lyons & Burford, 1989.

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Book chapters on the topic "Herring gull behaviour"

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O’Hanlon, Nina J., and Ruedi G. Nager. "Herring Gulls." In Encyclopedia of Animal Behavior, 90–99. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809633-8.01202-4.

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Burger, J. "Herring Gulls." In Encyclopedia of Animal Behavior, 70–76. Elsevier, 2010. http://dx.doi.org/10.1016/b978-0-08-045337-8.00045-0.

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