Breeding performance of Indian Myna <i>Acridotheres tristis</i> in nestboxes and natural sites

Dhanda, Sachin; Dhindsa, Manjit S.

doi:10.1111/j.1474-919x.1996.tb08838.x

Cited by 7 publications

(5 citation statements)

References 8 publications

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“…The two species showed aggressive behavioral interactions 422 around active breeding cavities. This negative interaction was characterized by negative 423 interactions ("fights") over cavities, a behaviour which was also observed in their native range 424 (Dhanda and Dhindsa 1996). Sixty five percent of the aggressive interactions initiated by the 425 common myna in our observations were against rose-ringed parakeets.…”

Section: Behavioral Interactions Among Species 385mentioning

confidence: 54%

“…However, the common 426 myna benefited from the secondary excavator (the rose-ringed parakeet) by the using holes that 427 were widened by parakeets. While the mynas did not show statistically significant preference 428 to the widened cavities (possibly due to low power resulting from relatively small sample 429 sizes) availability of cavities that were suitable for mynas apparently increased due to the 430 enlargement of small entry cavities by parakeets, which were otherwise not accessible to 431 common myna, probably being too small to enter (Dhanda and Dhindsa 1996). This may be 432 important as cavity nests seem to be a highly limited resource in the park, as discussed below.…”

Section: Behavioral Interactions Among Species 385mentioning

confidence: 97%

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The complex interaction network among multiple invasive bird species in a cavity-nesting community

et al. 2012

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Section: Behavioral Interactions Among Species 385mentioning

confidence: 54%

Section: Behavioral Interactions Among Species 385mentioning

confidence: 97%

The complex interaction network among multiple invasive bird species in a cavity-nesting community

et al. 2012

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“…Access by Common Mynas to deeper bushland did not appear to be impeded by native birds, as no interactions, displays or calling took place. Thus, the Common Myna seems to actively select urbanised areas and artificial cavities for breeding, possibly because they offer greater nesting success (Dhanda and Dhindsa 1996), and are in close proximity to ample human food resources.…”

Section: Discussionmentioning

confidence: 99%

Do Common Mynas significantly compete with native birds in urban environments?

2011

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In Australia, the introduced Common Myna (Acridotheres tristis) is commonly believed to aggressively displace native birds and outcompete them for food and nest resources. However, the current paucity of scientific evidence makes it difficult to devise appropriate management strategies for protection of urban bird populations. This study investigates the way in which the Common Myna uses the urban environment and interacts with other species while foraging and nesting in Sydney, Australia. The bird community varied between habitat types along an urbanisation gradient, and the abundance of the Common Myna increased significantly with the degree of habitat modification. Surveys of the frequency of interspecific interactions revealed that the Common Myna did not initiate a significantly greater number of aggressive encounters than did other species. Focal observations of two potential native competitors showed that despite foraging in close proximity, the Common Myna rarely interfered with feeding activity. Assessment of natural tree hollow occupancy found that Common Mynas used significantly fewer tree hollows than did native species. Analysis of nest site selection indicated that Common Mynas chose to nest in more highly modified habitats, and in artificial structures rather than in vegetation. These findings suggest that, in this study area, Common Mynas have little competitive impact on resource use by native bird species in the urban matrix. The logical conclusion of these results is that the substantial efforts currently directed towards culling of Common Mynas in heavily urbanised environments is misdirected, and resources would be better directed to improvement of natural habitat quality in these areas if the purpose of control is to enhance urban bird diversity.Zusammenfassung Es wird allgemein angenommen, dass der nach Australien eingeführte Hirtenmaina die dort einheimischen Vögel aggressiv verdrängt und im Konkurrenzkampf um Nahrung und Nistmöglichkeiten schlägt. Aber der Mangel an wissenschaftlichen Nachweisen hierfür macht es schwierig, angemessene Strategien zum Schutz der in den Städten heimischen Vogelpopulationen auszuarbeiten und einzusetzen. In dieser Studie untersuchen wir die Art und Weise, auf die der Hirtenmaina in Sydney, Australien, das urbane Ö kosystem nutzt und mit anderen Spezies bei der Futteraufnahme und den Nistaktivitäten interagiert. Die Vogelgesellschaft variierte zwischen einzelnen HabitatTypen entlang eines Verstädterungs-Gradienten, und das Auftreten des Hirtenmainas nahm signifikant mit dem Ausmaß der Habitat-Veränderungen zu. Untersuchungen zur Häufigkeit zwischenartlicher Interaktionen ergaben, dass der Hirtenmaina nicht signifikant mehr aggressive Aktionen als andere Arten unternahm. Spezielle Beobachtungen zweier einheimischer, potentieller Konkurrenten zeigten, dass sich trotz Nahrungssuche in unmittelbarer Nähe zueinander der Hirtenmaina nur selten störend in die Nahrungssuche einmischte. Die Ü berprüfung der Belegung natürlicher Baumhöhlen ergab, dass der Hirtenmaina si...

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“…The low usage of nestboxes was disappointing, although it has been shown that timing of breeding and reproductive success may be unrepresentative in artificial nest-sites, [21][22][23] so that any data derived from a nestbox study may be inferior to that from natural sites. Nests in nestboxes could, however, have been examined more regularly and, more crucially, nestlings could have been ringed and colourringed to obtain information about juvenile mortality and natal philopatry, other unknown parameters in the dynamics of the introduced population.…”

Section: Discussionmentioning

confidence: 99%

Breeding performance of Ring-necked ParakeetsPsittacula krameriin small introduced populations in southeast England

Pithon¹,

Dytham²

1999

Bird Study

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Breeding performance of Indian Myna Acridotheres tristis in nestboxes and natural sites

Cited by 7 publications

References 8 publications

The complex interaction network among multiple invasive bird species in a cavity-nesting community

The complex interaction network among multiple invasive bird species in a cavity-nesting community

Do Common Mynas significantly compete with native birds in urban environments?

Breeding performance of Ring-necked ParakeetsPsittacula krameriin small introduced populations in southeast England

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