External and intestinal parasites of the Austral thrush Turdus falcklandii (Aves, Turdidae) in central Chile

Llanos-Soto, Sebastián; Córdoba, Mabel; Moreno, Lucila; Kinsella, John M.; Mironov, Sergey V.; Cicchino, Armando Conrado; Barrientos, Carlos; Martín-Ordenes, Julio San; González‐Acuña, Daniel

doi:10.1590/s1984-29612019067

Cited by 7 publications

(3 citation statements)

References 64 publications

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“…As in Newfoundland, the prevalence and intensity of infestation by amblyceran lice were much less than for ischnocerans, the former of which were rarely collected in Manitoba. This result is opposite to what Lindell et al (2002) and Llanos-Soto et al (2019) found for the prevalence on two species of Turdus in Costa Rica and on Turdus falcklandii Quoy and Gaimard in Chile, respectively.…”

Section: Discussioncontrasting

confidence: 96%

Infestation parameters for chewing lice (Phthiraptera: Amblycera, Ischnocera) parasitising true thrushes (Aves: Passeriformes: Turdidae) in Manitoba, Canada

2021

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Seven species of Turdidae (Aves: Passeriformes) in Manitoba, Canada were examined for chewing lice (Phthiraptera) in 1993–2019: Turdus migratorius (N = 570), Catharus ustulatus (N = 135), Catharus guttatus (N = 49), Catharus minimus (N = 12), Catharus fuscescens (N = 1), Sialia sialis (N = 4), and Sialia currucoides (N = 3). Five species of lice on T. migratorius had a prevalence of 24.0% and a mean intensity of 16.7. Overall prevalence for lice on C. ustulatus, C. guttatus, and C. minimus was 25.0%–59.2%; mean intensity was 7.0–23.3. On S. sialis, the prevalence was 50.0%; mean intensity was 10.0. No lice infested C. fuscescens or S. currucoides. Infestation parameters for each louse–host combination are provided. Louse infestations were highly aggregated. Female lice were more prevalent than males, especially for Ricinus elongatus (Phthiraptera: Amblycera: Ricinidae) infesting T. migratorius (eight males; 81 females), or there was no significant deviation from 50:50. Infestation parameters were higher for adult T. migratorius than for juveniles or feathered chicks but not significantly so. Mean intensity was greater in spring than in fall. Louse abundance was lower than on hosts of similar size in Manitoba and lower than on thrushes in other studies.

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Section: Discussioncontrasting

confidence: 96%

Infestation parameters for chewing lice (Phthiraptera: Amblycera, Ischnocera) parasitising true thrushes (Aves: Passeriformes: Turdidae) in Manitoba, Canada

2021

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“…In terms of house sparrows, this parasite has been recorded in Europe and North America (Brown & Wilson, 1975;Price et al, 2003;Martín-Mateo, 2006;Byers & Proctor, 2013), and New Zealand (Galloway, 2005;Palma 2017). In Chile, in addition to the present record, this generalist louse has been isolated only on the austral thrush (González-Acuña et al, 2006;Llanos-Soto et al, 2019). This lower number of hosts in Chile contrasts with the wide range of hosts reported in other South American countries (Cicchino & Castro, 1998).…”

Section: Discussioncontrasting

confidence: 54%

Parasitic fauna of the invasive house sparrow (Passer domesticus) from Ñuble region, Chile: an example of co-introduced parasites

Oyarzún‐Ruiz

Cárdenas

Fuente

et al. 2021

Rev. Bras. Parasitol. Vet.

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Invasive species impact native wildlife in several ways, as they compete for resources and may transmit their specific pathogens. However, the potential consequences of co-introduced parasites are not fully understood. While the house sparrow (Passer domesticus) was introduced in Chile about a century ago, no data are available regarding its parasites. Thus, the aim of the present study was to determine the parasitic fauna of this avian invader and to determine whether there are co-introduced/co-invasive parasites shared with native birds. One hundred and eight birds were collected from three different localities in the Ñuble region of Chile, and a complete parasitic necropsy was performed in the laboratory. Twenty-three (21.3%) were parasitized by six arthropod species and four (3.7%) were parasitized by two helminth species. Four out of eight taxa are reported for the first time in Chile; among them, three arthropod parasites and the tapeworm, Anonchotaenia globate, are considered as co-introduced parasites. Only A. globata is a potential co-invasive parasite given its low degree specificity in terms of its definitive hosts. Future research should examine whether additional co-introduced/co-invasive parasites have been brought by the house sparrow, and what their potential consequences might be on the health of native birds in Chile.

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“…A vast amount of information is available about parasite taxa present in domestic and wild birds [ 15 , 23 – 37 ]. However, comparative studies that investigate the potential overlap of generalist parasites and cross-transmission between zoo birds and free-ranging avifauna are limited [ 38 ].…”

Section: Introductionmentioning

confidence: 99%

Free-ranging avifauna as a source of generalist parasites for captive birds in zoological settings: An overview of parasite records and potential for cross-transmission

Carrera-Játiva¹,

Morgan²,

Barrows³

et al. 2020

J Adv Vet Anim Res

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Captive birds in zoological settings often harbor parasites, but little information is available about the potential for free-ranging avifauna to act as a source of infection. This review summarizes the gastrointestinal parasites found in zoo birds globally and in seven common free-ranging avian species [mallard ( Anas platyrhynchos ), Eurasian blackbird ( Turdus merula ), common starling ( Sturnus vulgaris ), Eurasian jackdaw ( Corvus monedula ), house sparrow ( Passer domesticus ), European robin ( Erithacus rubecula ), and rock dove ( Columba livia )] to identify the overlap and discuss the potential for cross-species transmission. Over 70 references were assessed, and papers spanned over 90 years from 1925 to 2019. A total of 60 studies from 1987 to 2019 met the eligibility criteria. All examined free-ranging avifauna harbored parasite species that were also reported in zoo birds, except for the European jackdaw. Parasites reported in captive and free-ranging birds include nematodes ( Capillaria caudinflata , Dispharynx nasuta , Ornithostrongylus quadriradiatus , Strongyloides avium , Syngamus trachea , and Tetrameres fissispina ), cestodes ( Dicranotaenia coronula , Diorchis stefanskii , Fimbriaria fasciolaris , and Raillietina cesticillus , Sobolevicanthus gracilis ), trematode ( Echinostoma revolutum ), and protozoa ( Cryptosporidium baileyi ). Although no study effectively proved cross-transmission either experimentally or by genetic analysis, these parasites demonstrate low host specificity and a high potential for parasite sharing. There is potential for parasite sharing whenever determinants such as host specificity, life cycle, and husbandry are favorable. More research should be carried out to describe parasites in both captive and free-ranging birds in zoological settings and the likelihood of cross-infection. Such information would contribute to evidence-based control measures, enhancing effective husbandry and preventive medicine protocols.

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External and intestinal parasites of the Austral thrush Turdus falcklandii (Aves, Turdidae) in central Chile

Cited by 7 publications

References 64 publications

Infestation parameters for chewing lice (Phthiraptera: Amblycera, Ischnocera) parasitising true thrushes (Aves: Passeriformes: Turdidae) in Manitoba, Canada

Infestation parameters for chewing lice (Phthiraptera: Amblycera, Ischnocera) parasitising true thrushes (Aves: Passeriformes: Turdidae) in Manitoba, Canada

Parasitic fauna of the invasive house sparrow (Passer domesticus) from Ñuble region, Chile: an example of co-introduced parasites

Free-ranging avifauna as a source of generalist parasites for captive birds in zoological settings: An overview of parasite records and potential for cross-transmission

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