Taphonomic signature of Eurasian eagle owl (Bubo bubo) on fish remains

Guillaud, Émilie; Lebreton, Loïc; Béarez, Philippe

doi:10.25225/fozo.v67.i3-4.a1.2018

Cited by 19 publications

(10 citation statements)

References 18 publications

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“…) and even some twisting. These are comparable to fish bones collected in European Lutra lutra faeces and Bubo bubo pellets [25,26]. Similarly, the apophyses are broken but we could not observe the compaction (deformation) of the vertebrae noticed by these authors.…”

Section: Surface and Microstructuresupporting

confidence: 83%

“…These accumulations of dejections or regurgitation pellets can be fossilized but potential structural and chemical changes due to digestive processes are still unknown for fish bones. Only some recent works have shown the effect of digestion on the surfaces of fish bones ingested by Lutra or Bubo bubo [24,25], but these studies did not take in account the degradation of bone tissue as well as its chemistry.…”

Section: Introductionmentioning

confidence: 99%

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Biominerals Fossilisation: Fish Bone Diagenesis in Plio–Pleistocene African Hominid Sites of Malawi

et al. 2020

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Fish fossilisation is relatively poorly known, and skeletal element modifications resulting from predation, burial and diagenesis need to be better investigated. In this article, we aim to provide new results about surface, structural and chemical changes in modern and fossil fish bone. Fossil samples come from two distinct localities of roughly the same age in the Pliocene–Pleistocene Chiwondo Beds adjacent to Lake Malawi. Optical and scanning electron microscope (SEM) observations, energy dispersive spectroscopy (EDS) analyses and Fourier transform infrared (FTIR) spectrometry were carried out on three categories of fish bones: (i) fresh modern samples collected in the lake, (ii) extracted from modern fish eagle regurgitation pellets, and (iii) fossils from Malema and Mwenirondo localities. A comparison of these data allowed us to detect various modifications of bone surfaces and structure as well as composition changes. Some differences are observed between fresh bones and modern pellets, and between pellets and fossils. Moreover, fossil fish bone surface modifications, crystallinity, and chemical composition from Malema and Mwenirondo differ despite their chronological and spatial proximities (2.5–2.4 Ma, 500 m). In both sites, the post-predation modifications are strong and may hide alterations due to the predation by bird of prey such as the fish eagle. The combination of the used methods is relevant to analyses of diagenetic alterations in fish bones.

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Section: Surface and Microstructuresupporting

confidence: 83%

Section: Introductionmentioning

confidence: 99%

Biominerals Fossilisation: Fish Bone Diagenesis in Plio–Pleistocene African Hominid Sites of Malawi

et al. 2020

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“…It was also reported that B. bubo feeds on carcasses (Serrano, 2000;Díaz-Ruiz et al, 2010;Milchev & Spassov, 2017). B. bubo is a "sitand waithunter" (Cramp & Simmons, 1985;Eriksen & Wabakken, 2018) that regurgitates some parts of its prey as pellets at the perching and nesting sites (Guillaud et al, 2018). Pellets contain some indigestible remains such as bones, furs, feathers, invertebrate parts with chitin, fish scales and etc.…”

Section: Introductionmentioning

confidence: 99%

Winter Diet of an Eurasian Eagle Owl (Bubo bubo) Near the Yedikır Dam, Amasya (Turkey)

Özkoç

Selçuk

2021

Kastamonu Üniversitesi Orman Fakültesi Dergisi

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Aim of study:The aim of this study was to contribute to the data on the diet of Eurasian Eagle Owl (Bubo bubo) in Turkey.Area of study: This study was conducted near the Yedikır Dam (Amasya) Material and methods: A total of 12 pellets of the Eurasian Eagle Owl collected in Yedikır Dam was analyzed. The remains of the skull and lower jaw were used for the identification of mammals.Main results: 60 preys were identified to belong to 6 different taxa (5 Rodents and 1 Passerine). The main prey was Mus spp. (35.0%). Only one bird remain was recorded from pellets.Highlights: Pellet analyses were the first step for understanding the diet of B. bubo. Considering, B. bubo is an opportunistic predator and can consume medium-sized mammals and large-sized birds. Hence, a diet study supported with remains that are directly collected from the nest or perching site and their surroundings will reveal more objectively prey preferences for this apex predator.

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“…Cave sites are a specific group of fish-bearing localities in terms of taphonomy since most of the fish remains in caves and rock shelters were accumulated due to the opportunistic feeding activity of owls and/or diurnal raptors (Broughton et al 2006;Russ 2010;Guillaud et al 2018;Kovalchuk et al 2020). Nad Tunelem and Bi snik caves are now located in dry valleys, whereas Krucza Skała rock shelter is positioned at a high level above the river valley.…”

Section: Palaeoenvironmental Implicationsmentioning

confidence: 99%

“…2006; Russ 2010; Guillaud et al . 2018; Kovalchuk et al . 2020).…”

Section: Palaeoenvironmental Implicationsmentioning

confidence: 99%

Pleistocene freshwater environments of Poland: a comprehensive study of fish assemblages based on a multi‐proxy approach

Stefaniak

Kovalchuk

Kotusz

et al. 2020

Boreas

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The results of a comprehensive study of Pleistocene fish‐bearing localities from the territory of Poland are presented. Fish remains came from lacustrine deposits and cave sites representing a time‐span from the late Early Pleistocene until the Early Holocene. Here we present the taxonomic composition and species diversity of all known fish assemblages from Poland. In total, 23 species belonging to 20 genera of eight families were identified. Cyprinids were the most taxonomically diverse, followed by salmonids and percids. Other families were each represented only by a single species. The roach, rudd, bream, pike and perch were the most common components of the Pleistocene fish assemblages of Poland. These assemblages are clearly divided into two groups representing palaeolakes and cave sites. A significant taxonomic similarity is observed between fish assemblages from Poland and those of Chibanian and Late Pleistocene ages from central and eastern Europe. Pleistocene environments and climates of Poland are characterized using a multi‐proxy approach (analysis of stable isotopes, plant macro‐remains, pollen, molluscs and cladocerans). Obtained data allowed us to estimate a number of parameters of Pleistocene water bodies of the Polish Lowland (reservoir type, trophism, oxygen content, depth and water level changes, bottom character, and flow speed). The formation of freshwater fish assemblages was influenced by dynamic changes in the hydrographic network, and climatic changes during the Pleistocene and Holocene. Their development was favoured by the formation of lakes after melting of the ice sheet.

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Taphonomic signature of Eurasian eagle owl (Bubo bubo) on fish remains

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 19 publications

References 18 publications

Biominerals Fossilisation: Fish Bone Diagenesis in Plio–Pleistocene African Hominid Sites of Malawi

Biominerals Fossilisation: Fish Bone Diagenesis in Plio–Pleistocene African Hominid Sites of Malawi

Winter Diet of an Eurasian Eagle Owl (Bubo bubo) Near the Yedikır Dam, Amasya (Turkey)

Pleistocene freshwater environments of Poland: a comprehensive study of fish assemblages based on a multi‐proxy approach

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