Nest Site Selection and Breeding Success in an Expanding Species, the Cattle Egret<i>Bubulcus ibis</i>

Bachir, Abdelkrim Si; Barbraud, Christophe; Doumandji, Salaheddine; Häfner, Heinz

doi:10.5253/078.096.0111

Cited by 33 publications

(28 citation statements)

References 23 publications

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“…We found that early arriving birds occupied larger nests, started breeding earlier and laid more eggs. These findings are in agreement with previous studies in birds which found that early arriving pairs select high quality nests in the most favorable places Si Bachir et al 2008), start laying eggs earlier and achieve larger clutch size (Vergara et al 2007;Tryjanowski and Sparks 2008;Fulin et al 2009). Contrary to some studies in western Poland Tryjanowski and Sparks 2008), but in accordance with others in Spain (Vergara et al 2007;Gordo et al 2013) and Slovakia (Fulin et al 2009), we did not find a negative relationship between nest occupation date and productivity.…”

Section: Breeding and Growth Parameterssupporting

confidence: 93%

Factors affecting growth parameters of White Stork nestlings in eastern Algeria

et al. 2015

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International audienceSurvival and reproduction of young can be affectedby growth parameters. It is thus important to estimateintraspecific growth rate variability andenvironmental factors affecting growth to better understandthe dynamics of populations and the potential impacts ofenvironmental changes. Growth parameters of White Stork(Ciconia ciconia) nestlings were estimated in eastern Algeria,in the southern part of the species’ range. A total of2,756 measurements of 65 nestlings from 18 nests weretaken for body mass, and tarsus, wing and bill lengths.Individual growth data were used to investigate the effectsof nest occupation date, laying and hatching dates, clutchsize, number of hatchlings, productivity, hatching order,and brood reduction on nestling growth patterns. Bodymass and bill length growth rates were lower in the studiedpopulation than in a more northerly White Stork population.This supports the hypothesis of a geographic variationin intraspecific growth parameters. Chicks from nests occupiedearly reached higher asymptotic body mass buttended to grow more slowly. However, chicks from latearriving birds compensated for the difference in body mass and wing length by higher growth rates. Wing length wassignificantly affected by asynchrony and hatching order.Last hatched chicks had larger asymptotic wing lengths,lower wing growth rates and longer growth periods. Wingsof nestlings from highly asynchronous broods grew fasterbut took more time to attain the inflection point. Broodreduction had a negative effect on nestling bill length athatching. Chicks from nests with little brood reduction hada longer bill at hatching than nestlings from nests with highbrood reduction

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Section: Breeding and Growth Parameterssupporting

confidence: 93%

Factors affecting growth parameters of White Stork nestlings in eastern Algeria

et al. 2015

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“…Nest height was not correlated with any of the breeding parameters of the Little Egret in the present study, and only with fledging success in the Cattle Egret. This is in accordance with the results of studies of other egrets in Spain (Parejo et al 2000) and of Cattle Egrets in an Algerian heronry (Si Bachir et al 2008). Range of heights in our study site was limited to a few meters, and this might have restricted the effects of height on success.…”

Section: Effects Of Nest Heightsupporting

confidence: 93%

“…Breeding success was expressed as the ratio of the total number of fledglings to the total number of eggs incubated (Si Bachir et al 2008). Fledging success was calculated as the proportion of chicks that subsequently fledged successfully.…”

Section: Data Analysesmentioning

confidence: 99%

Breeding success of Black-crowned Night Heron (Nycticorax nycticorax), Little Egret (Egretta garzetta) and Cattle Egret (Bubulcus ibis) (Aves: Ardeidae) in relation to nest height in the South Caspian Sea

Ashoori

Barati

2013

Italian Journal of Zoology

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Breeding success was investigated in a mixed colony of three species of Ardeidae (Black-crowned Night Heron, Nycticorax nycticorax; Little Egret, Egretta garzetta; and Cattle Egret, Bubulcus ibis) in the Karfestan colony, south Caspian Sea, during the 2006 breeding season. Black-crowned Night Herons occupied higher locations for nesting (4.39 ± 1.44 m) than both Little Egrets (3.07 ± 1 m) and Cattle Egrets (2.8 ± 0.84 m). Clutch size appeared to be independent of the height of the nest from the ground in all species. Mean breeding success was 0.82 ± 0.24, 0.80 ± 0.16 and 0.77 ± 0.17 in the Black-crowned Night Heron, Little Egret and Cattle Egret respectively. Overall breeding success did not vary significantly among the three species. Fledging success and overall breeding success were associated with nest height in the Black-crowned Night Heron, with a tendency for the higher nests to be more successful. Nest height was also correlated with fledging success in the Cattle Egret but had no effect on breeding success in the Little Egret.

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“…Thus, the low-nesting pairs among these six species, particularly, the little egrets may have low nest success rates. Similarly, the nest heights of the cattle egrets were positively correlated with hatching success and chick survival rates (Ranglack et al 1991;Si Bachir et al 2008). Hilaluddin et al (2003) reported a higher hatching success rate in cattle egrets that nested higher than little egrets.…”

Section: Discussionmentioning

confidence: 95%

“…They make nests in small areas and these nests are densely populated with hundreds or thousands of breeding birds. Many studies on this species show that nest-site competition may cause temporal and spatial segregation of the breeding colony (Custer and Osborn 1978;Arendt and Arendt 1988;Fasola and Alieri 1992;Si Bachir et al 2008). For example, the nesting peak of cattle egrets (Bubulcus ibis) was later than that of other co-existing heron species, which avoided competition for optimal nesting sites (Maxwell and Kale 1977).…”

Section: Introductionmentioning

confidence: 99%

Vertical nest stratification and breeding success in a six mixed-species heronry in Taeseong, Chungbuk, Korea

Park

Kim

Chung

et al. 2011

Animal Cells and Systems

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In 2001, we conducted a study to assess the effects of differential arrival times and nest-site selection on reproductive performance in a mixed-species heronry consisting of six species in Taeseong-ri, Chungbuk, Korea. We recorded the arrival dates, nest heights, clutch sizes, and brood sizes after 15Á20 days of the age of the birds' chicks. The grey herons and cattle egrets arrived first and last, respectively, on the colony site. In the homogenous vegetation structure of the breeding site, the pitch pine trees (Pinus rigida) were mainly used for building nests on 48 of the 50 pine trees (96%). The breeding species vertically stratifies the nest sites according to their body size, except for the cattle egrets and black-crowned night herons that nested at sites higher than those predicted from their body size. The mean nest success rates of the six species under study were positively correlated with the mean nest heights. Our findings suggest that aggressive interspecific interactions among neighbors influence nest-site selection to enhance breeding success.

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Nest Site Selection and Breeding Success in an Expanding Species, the Cattle EgretBubulcus ibis

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 33 publications

References 23 publications

Factors affecting growth parameters of White Stork nestlings in eastern Algeria

Factors affecting growth parameters of White Stork nestlings in eastern Algeria

Breeding success of Black-crowned Night Heron (Nycticorax nycticorax), Little Egret (Egretta garzetta) and Cattle Egret (Bubulcus ibis) (Aves: Ardeidae) in relation to nest height in the South Caspian Sea

Vertical nest stratification and breeding success in a six mixed-species heronry in Taeseong, Chungbuk, Korea

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