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- Title
Strix chacoensis (Aves: Strigiformes) as an accumulator of vertebrate material in an endangered world: Exploring new taphonomic and ecological perspectives.
- Authors
Mignino, Julián; López, José Manuel; Costa, Thiago; Giardina, Miguel
- Abstract
The objective of this study is to characterize the taphonomic signature of Strix chacoensis in bone and tooth remains of microvertebrates (birds and micromammals). The chaco owl is a bird of prey whose diet and bone modification patterns are little known. In a sample of 41 pellets, an unusual proportion of bird remains over mammal remains was observed. We evaluate the ecological implications of this phenomenon, which could designate Strix chacoensis as a bioindicator of well-preserved forest and shrubland environments when combined with the specific ecological requirements of the prey species. Furthermore, taphonomic patterns vary across taxonomic groups: bird remains exhibited lower modifications due to breakage and digestion compared to micromammal remains. Therefore, this raptor can be characterized as having a minimal impact on bird remains and an intermediate impact on mammal remains.
- Subjects
GRAN Chaco; BIRDS of prey; VERTEBRATES; NOCTURNAL birds; MAMMALS; SPECIES; OWLS; HAWKS
- Publication
Holocene, 2024, Vol 34, Issue 6, p732
- ISSN
0959-6836
- Publication type
Article
- DOI
10.1177/09596836241231464