Novelty at dawn: Exploration, low neophobia and crepuscular activity in a wild Common Buzzard (Buteo buteo)

2021 ◽  
pp. 175815592110524
Author(s):  
Berenika Mioduszewska ◽  
Mark O’Hara ◽  
Rafał Stryjek
Keyword(s):  
Foraging Ecology ◽  
Natural Habitat ◽  
Field Studies ◽  
Field Method ◽  
Cognitive Testing ◽  
Research Attention ◽  
Predator Species ◽  
Common Buzzard ◽  
Buteo Buteo ◽  
Free Ranging

Raptor cognition has received limited research attention, despite the importance of comparative investigations for reconstructing the evolution of complex cognition. Field studies provide essential ecological context for cognition in the natural habitat, although this approach is often challenging due to extensive procedures involved in cognitive testing. One predisposition suggested to contribute to problem-solving behaviour is the response to novel stimuli. In this pilot study, a novel object test was conducted on an outdoor feeding platform to assess the neotic responses of a single wild free-ranging Common Buzzard ( Buteo buteo), a generalist/opportunist diurnal predator species. Additionally, data on its daily activity were collected. As predicted, the subject expressed low neophobia and some exploratory behaviours. Interestingly, it repeatedly arrived on the platform in low light conditions. This study highlights the influence of foraging ecology on cognitive predispositions and offers a field method for research on raptor cognition.

Willughby's Buzzard: names and misnomers of the European Honey-buzzard (Pernis apivorus)

2018 ◽  
Vol 45 (1) ◽  
pp. 80-91 ◽  
Author(s):  
T. R. Birkhead ◽  
I. Charmantier ◽  
P. J. Smith ◽  
R. Montgomerie
Keyword(s):  
Accurate Description ◽  
Separate Species ◽  
Common Buzzard ◽  
Buteo Buteo ◽  
John Ray ◽  
The Common ◽  
Francis Willughby

The European Honey-buzzard (Pernis apivorus) was first accurately described and clearly distinguished from the Common Buzzard (Buteo buteo) by Francis Willughby and John Ray in their Ornithology, originally published in Latin in 1676. Alfred Newton's statement that Pierre Belon had described the species over a century earlier is not entirely correct, as Belon confused this honey-buzzard's features with those of the common buzzard and even appeared uncertain whether it was a separate species. One of Willughby's important contributions to ornithology was the identification and use of “characteristic marks” to distinguish and identify species, including those that distinguish the European Honey-buzzard from the Common Buzzard. Because Willughby provided the first accurate description of Pernis apivorus  – and because his contribution to ornithology has never been formally recognized –  we propose that the common name of the European Honey-buzzard be changed to Willughby's Buzzard.

Observations regarding the flight biology and behaviour of the Common buzzard (Buteo Buteo) in the Râul Doamnei hydrographical basin (Romania)

2011 ◽  
Vol 54 (1) ◽  
pp. 171-222
Author(s):  
Adrian Mestecăneanu ◽  
Florin Mestecăneanu
Keyword(s):  
Environmental Conditions ◽  
Common Buzzard ◽  
Buteo Buteo ◽  
The Common

Observations regarding the flight biology and behaviour of the Common buzzard (Buteo Buteo) in the Râul Doamnei hydrographical basin (Romania) In this paper, the authors analyse the flight biology and behaviour of the Common buzzard (Buteo buteo) observed in the Râul Doamnei hydrographical basin, depending on the environmental conditions and ecological seasons. Along three years, during the 3031 observations, 4549 individuals were observed.

scholarly journals Evaluating the Impact of Two Generalist Predators on the Leafhopper Erasmoneura vulnerata Population Density

Insects ◽  
2021 ◽  
Vol 12 (4) ◽  
pp. 321
Author(s):  
Stefan Cristian Prazaru ◽  
Giulia Zanettin ◽  
Alberto Pozzebon ◽  
Paola Tirello ◽  
Francesco Toffoletto ◽  
...  
Keyword(s):  
Field Experiments ◽  
Field Studies ◽  
Generalist Predators ◽  
Predator Species ◽  
Potted Plants ◽  
Naturally Occurring ◽  
Orius Majusculus ◽  
Limited Effectiveness ◽  
Pest Outbreaks ◽  
The Impact

Outbreaks of the Nearctic leafhopper Erasmoneura vulnerata represent a threat to vinegrowers in Southern Europe, in particular in North-eastern Italy. The pest outbreaks are frequent in organic vineyards because insecticides labeled for organic viticulture show limited effectiveness towards leafhoppers. On the other hand, the naturally occurring predators and parasitoids of E. vulnerata in vineyards are often not able to keep leafhopper densities at acceptable levels for vine-growers. In this study, we evaluated the potential of two generalist, commercially available predators, Chrysoperla carnea and Orius majusculus, in suppressing E. vulnerata. Laboratory and semi-field experiments were carried out to evaluate both species’ predation capacity on E. vulnerata nymphs. The experiments were conducted on grapevine leaves inside Petri dishes (laboratory) and on potted and caged grapevines (semi-field); in both experiments, the leaves or potted plants were infested with E. vulnerata nymphs prior to predator releases. Both predator species exhibited a remarkable voracity and significantly reduced leafhopper densities in laboratory and semi-field experiments. Therefore, field studies were carried out over two growing seasons in two vineyards. We released 4 O. majusculus adults and 30 C. carnea larvae per m2 of canopy. Predator releases in vineyards reduced leafhopper densities by about 30% compared to the control plots. Results obtained in this study showed that the two predators have a potential to suppress the pest density, but more research is required to define appropriate predator–prey release ratios and release timing. Studies on intraguild interactions and competition with naturally occurring predators are also suggested.

Aspects of the Water, Electrolyte and Carbohydrate Physiology of the Silvereye, Zosterops Lateralis (Aves).

1983 ◽  
Vol 31 (5) ◽  
pp. 695 ◽  
Author(s):  
IJ Rooke ◽  
SD Bradshaw ◽  
RA Langworthy
Keyword(s):  
Natural Habitat ◽  
Tritiated Water ◽  
Free Water ◽  
Laboratory Studies ◽  
Turnover Rates ◽  
Natural Habitats ◽  
Water Influx ◽  
Zosterops Lateralis ◽  
Total Body ◽  
Free Ranging

Total body water content (TBW) and TBW turnover were measured by means of tritiated water (HTO) in free-ranging populations of silvereyes, Zosterops lateralis, near Margaret River, W.A. Birds were studied in their natural habitats during spring and summer, and compared with a vineyard population in summer. In the natural habitat TBW content was found to be 77.6% in spring, which was not significantly different from that measured in summer (78.3%). Birds in vineyards in summer, however, were dehydrated, with a TBW content of 69.4%. Calculated rates of water influx for spring, summer and summer vineyards birds were 1.44,2.20 and 0.65 ml g.day-' respectively. These water turnover rates are much higher than those of any other bird yet studied. Dehydration was marked in the vineyard birds, with a significantly lower TBW content and an average net water loss of 0.63 ml day-'. Laboratory studies showed that silvereyes have a low tolerance to sodium loading. Their tolerance is, however, quite adequate for them to drink the most concentrated free water available to them in the field. Ingestion of concentrated sugar solutions of up to 25% did not provoke an osmotic diuresis and thus cannot account for the dehydration and negative water balance of vineyard birds.

Anatomy of the shoulder and arm musculature of the common buzzard (Buteo buteo Linnaeus, 1758) and the European honey buzzard (Pernis apivorus Linnaeus, 1758)

Zoomorphology ◽  
2015 ◽  
Vol 134 (2) ◽  
pp. 291-308 ◽  
Author(s):  
Marco Canova ◽  
Paolo Clavenzani ◽  
Cristiano Bombardi ◽  
Maurizio Mazzoni ◽  
Carla Bedoni ◽  
...  
Keyword(s):  
Common Buzzard ◽  
Buteo Buteo ◽  
The Common

scholarly journals Fatal gunshot injuries in the common buzzard Buteo buteo L. 1758 – imaging and ballistic findings

2018 ◽  
Vol 14 (4) ◽  
pp. 526-530 ◽  
Author(s):  
Filip Pankowski ◽  
Grzegorz Bogiel ◽  
Sławomir Paśko ◽  
Filip Rzepiński ◽  
Joanna Misiewicz ◽  
...  
Keyword(s):  
Common Buzzard ◽  
Buteo Buteo ◽  
Gunshot Injuries ◽  
The Common

Problem-solving performance in wild Steller’s jays using a string-pulling task

Behaviour ◽  
2021 ◽  
pp. 1-24
Author(s):  
Derek P. Harvey ◽  
Jeffrey M. Black
Keyword(s):  
Individual Differences ◽  
Problem Solving ◽  
Social Interactions ◽  
Broad Spectrum ◽  
Food Reward ◽  
Natural Habitat ◽  
Species Problem ◽  
String Pulling ◽  
Free Ranging

Abstract Animals that exploit resources from human-modified environments may encounter unique problems when searching for food. Pulling a string tied to a food reward (string-pulling task) is one of the most widespread methods of testing a species’ problem-solving performance in non-human animals. Performance in problem-solving tasks may be influenced by an individual’s characteristics and social interactions, especially in its natural habitat. We examined problem solving by free-ranging Steller’s jays (Cyanocitta stelleri) when extracting food from a string-pulling task presented in their natural habitat. During the study, seven of 50 jays successfully solved the task on their first to eighteenth experimental opportunity; solvers differed from nonsolvers by showing higher levels of persistence by pulling the string in more trials. Of the successful jays, five birds solved without observing others, while two birds were present during successful trials and subsequently completed the task. All seven jays demonstrated improvement in the task by using less string pulls over additional successful trials. Nineteen other jays in the population interacted with the apparatus and pulled the string, but not enough to acquire the food. These 19 jays were significantly bolder (shorter latencies to approach), more explorative (contacted more parts of the apparatus), and had observed solvers more than the 24 individuals that did not pull the string. These results indicate a broad spectrum of individual differences in propensity for solving novel tasks in our population of Steller’s jays.

scholarly journals The first report of Eucoleus dispar (Nematoda: Capillariidae) inthe common buzzard (Buteo buteo) in Turkey

2015 ◽  
Vol 39 ◽  
pp. 751-753
Author(s):  
Dinçer YILDIZ ◽  
Emine Ümran BOZKURT BÜYÜKÇOPUR ◽  
Murat Erdem GÜLTİKEN ◽  
Kader YILDIZ
Keyword(s):  
First Report ◽  
Common Buzzard ◽  
Buteo Buteo
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