Tape lures swell bycatch on a Mediterranean island harbouring illegal bird trapping

Sebastianelli, Matteo; Savva, Georgios; Moysi, Michaella; Kirschel, Alexander N. G.

doi:10.1098/rsbl.2020.0458

Cited by 6 publications

(3 citation statements)

References 47 publications

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“…Based on the phenotypic similarity in plumage and song between Cyprus and Sardinian Warbler, direct interference competition might occur between the species, which studies in other phenotypically similar and closely related species of birds have shown can result in character displacement or competitive exclusion (e.g., Kirschel et al 2009. Indeed, Cyprus Warbler has been shown to be attracted by playback of Sardinian Warbler song in Cyprus (Sebastianelli et al 2020). Further work is thus needed to explore the possible effects of direct interactions between these Sylvia warbler species and how they might influence their coexistence and population dynamics.…”

Section: Discussionmentioning

confidence: 99%

Habitat selection and interspecific competition between Sylvia warblers in Cyprus following the rapid expansion of a recent colonizer

Papanikolas¹,

Hadjikyriakou²,

Sebastianelli³

et al. 2021

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Many island endemics around the world have evolved from populations of colonists. Further colonizations may lead to interactions between older and newer colonists. Little is known, however, regarding the impact of more recent island colonizers on incumbent congeners, partly because of a dearth of examples of natural colonizations in the recent past. Sardinian Warbler (Sylvia melanocephala) recently colonized Cyprus and has rapidly expanded its breeding range. We examined the impact of the Sardinian Warbler colonization on the endemic Cyprus Warbler (S. melanothorax) and on another congener, the Spectacled Warbler (S. conspicillata). We performed 402 population surveys in 32 sample plots across the island, covering five different habitat types and variation across three seasons. Our results show that Cyprus Warbler has undergone a significant decline during the five years of the study, especially in disturbed habitats, while Sardinian and Spectacled Warbler populations have remained stable. Although the longer established Spectacled Warbler clearly segregated habitat with Cyprus Warbler, Sardinian Warbler numbers were negatively associated with Cyprus Warbler abundance, suggesting its presence may contribute to the endemic's decline. Maquis scrub was favored by both Cyprus Warbler and Sardinian Warbler, but the latter also occurred in high densities in disturbed habitats. The colonizer's prevalence in disturbed, mixed habitat, suggests it may replace the endemic in parts of its former range following anthropogenic perturbations. Natural colonizations may contribute to rapid population declines in island endemics in a similar way to introduced species, especially when combined with strong effects of habitat disturbance. Sélection de l'habitat et compétition interspécifique entre les fauvettes des jardins à Chypre à la suite de l'expansion rapide d'une espèce colonisatrice récente RÉSUMÉ. De nombreuses espèces endémiques des îles du monde entier ont évolué à partir de populations colonisatrices. De nouvelles colonisations peuvent ensuite donner lieu à des interactions entre les populations récentes et plus anciennes. On en sait peu, en revanche, au sujet de l'impact des colonisateurs les plus récents des îles sur leurs congénères déjà présents, en partie en raison de la rareté des exemples de colonisations naturelles dans un passé récent. La fauvette mélanocéphale (Sylvia melanocephala) a récemment colonisé Chypre et son territoire de reproduction s'est rapidement développé. Nous avons examiné l'impact de la colonisation de fauvettes mélanocéphales sur l'espèce endémique, la fauvette de Chypre (S. melanothorax) ainsi que sur un autre congénère, la fauvette à lunettes (S. conspicillata). Nous avons réalisé 402 enquêtes sur ces populations sur 32 territoires échantillons dans l'île, couvrant cinq types d'habitats et les variations au cours de trois saisons. Nos résultats indiquent que la fauvette de Chypre a connu un déclin important au cours des cinq dernières années de l'étude, en particulier dans les habitats pertu...

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Section: Discussionmentioning

confidence: 99%

Habitat selection and interspecific competition between Sylvia warblers in Cyprus following the rapid expansion of a recent colonizer

Papanikolas¹,

Hadjikyriakou²,

Sebastianelli³

et al. 2021

ACE

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“…In order to maximise capture success, we lured birds to the nets using playback recordings of conspecific songs of detected species at each site. Studies have found that in addition to increasing the capture success of target species, the use of playbacks while using mist nests could also favor capture [ 39 , 40 ], or response [ 41 ] of other species, not targeted by the playback. We checked the nets and removed the birds as quickly as possible, with a maximum delay of 30 minutes.…”

Section: Methodsmentioning

confidence: 99%

Transmission patterns of tick-borne pathogens among birds and rodents in a forested park in southeastern Canada

et al. 2022

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Ixodes scapularis ticks are expanding their range in parts of northeastern North America, bringing with them pathogens of public health concern. While rodents like the white-footed mouse, Peromyscus leucopus, are considered the primary reservoir of many emerging tick-borne pathogens, the contribution of birds, as alternative hosts and reservoirs, to local transmission cycles has not yet been firmly established. From 2016 to 2018, we collected host-seeking ticks and examined rodent and bird hosts for ticks at 48 sites in a park where blacklegged ticks are established in Quebec, Canada, in order to characterize the distribution of pathogens in ticks and mammalian and avian hosts. We found nearly one third of captured birds (n = 849) and 70% of small mammals (n = 694) were infested with I. scapularis. Five bird and three mammal species transmitted Borrelia burgdorferi to feeding larvae (n larvae tested = 2257) and we estimated that about one fifth of the B. burgdorferi-infected questing nymphs in the park acquired their infection from birds, the remaining being attributable to mice. Ground-foraging bird species were more parasitized than other birds, and species that inhabited open habitat were more frequently infested and were more likely to transmit B. burgdorferi to larval ticks feeding upon them. Female birds were more likely to transmit infection than males, without age differentiation, whereas in mice, adult males were more likely to transmit infection than juveniles and females. We also detected Borrelia miyamotoi in larvae collected from birds, and Anaplasma phagocytophilum from a larva collected from a white-footed mouse. This study highlights the importance of characterising the reservoir potential of alternative reservoir hosts and to quantify their contribution to transmission dynamics in different species assemblages. This information is key to identifying the most effective host-targeted risk mitigation actions.

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“…We used two types of mist-net: 12 9 2.5 m and 12 9 1 m, according to vegetation height. Conspecific playbacks were used to attract the birds, using recordings of the six studied species from www.xeno-canto.org and a recording of Sardinian Warbler obtained in Cyprus (Sebastianelli et al 2020). Each captured individual was aged, sexed and marked with a numbered aluminium band.…”

Section: Study Species and Sample Collectionmentioning

confidence: 99%

Genomic data reveal contrasting patterns of divergence among island and mainland birds of the Eastern Mediterranean

Moysi

Ogolowa

Nikiforou

et al. 2023

Ibis

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Islands have been characterized as natural laboratories because of their distinct and often identifiable role in promoting genetic variation and population differentiation, but they have also been considered evolutionary sinks of biodiversity. Here, we extend classical studies of island biogeography based in the Eastern Mediterranean to compare genetic divergences and population structure among birds in insular and continental populations. We focused on populations of six passerine species (Short-toed Treecreeper, Great Tit, Eurasian Wren, Eurasian Blackbird, Common Chaffinch and Sardinian Warbler) with breeding populations on the islands of Cyprus and Crete and compared those with a continental population from mainland Greece. We sampled 172 individuals from six species and used double-digest RAD sequencing to examine population-level genetic divergence and structure. Population structure analyses using single nucleotide polymorphisms revealed structure between the islands and mainland for all six species, and this was most pronounced in Short-toed Treecreeper, Great Tit and Eurasian Wren. For all species with the exception of the Sardinian Warbler, the populations from the two islands were more differentiated from each other than either was from mainland Greece, reflecting variation in island colonization dynamics. Patterns ranged from pronounced population differentiation among populations, e.g. in Short-toed Treecreeper, where taxonomic revisions are potentially warranted, to others with weak structure among insular and continental populations, such as in Common Chaffinch and Sardinian Warbler. Although some patterns are consistent with increased rates of genetic drift in smaller populations explaining greater differences among the island populations than either insular population has from continental source populations, in others, including in Eurasian Blackbird and Common Chaffinch, higher nucleotide diversity in Cyprus may reflect a demographic pattern of post-glacial north-westward expansion.

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Tape lures swell bycatch on a Mediterranean island harbouring illegal bird trapping

Cited by 6 publications

References 47 publications

Habitat selection and interspecific competition between Sylvia warblers in Cyprus following the rapid expansion of a recent colonizer

Habitat selection and interspecific competition between Sylvia warblers in Cyprus following the rapid expansion of a recent colonizer

Transmission patterns of tick-borne pathogens among birds and rodents in a forested park in southeastern Canada

Genomic data reveal contrasting patterns of divergence among island and mainland birds of the Eastern Mediterranean

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