Nest predators, nest-site selection and nest success of the Emei Shan Liocichla (Liocichla omeiensis), a vulnerable babbler endemic to southwestern China

Fu, Yiqiang; Chen, Benping; Dowell, Simon D.; Zhang, Zhengwang

doi:10.1186/s40657-016-0054-1

Cited by 25 publications

(31 citation statements)

References 29 publications

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“…Similar results were obtained in the forest understorey in South America (Ryder et al, 2008). But some studies recorded increasing rate of predation as nesting proceeded (Ryder et al, 2008;Brawn et al, 2011;Fu et al, 2016;Jiang et al, 2017). Increased proportion of predation (DPR) in the incubation phase suggests that nest losses can be ascribed to visually oriented predators as the eggs and chick predation type was recorded over the course of the study.…”

Section: Predation Rates Across Types Of Habitat and Nesting Phasessupporting

confidence: 75%

Understorey birds nests predation in afrotropical forest ecosystem: A case study of Korup area, Cameroon

Tonleu¹,

Bobo²,

Djoumessi³

et al. 2018

J. Ecol. Nat. Environ.

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Worldwide understorey nesting bird species such as bulbuls can also be highly vulnerable to nest predation in disturbed landscapes because they breed mainly on the lower stage of the forest. We test the following hypotheses: the transformation of forests into alternative land use systems and the vegetation's variables at the nesting sites will affect the understorey nest predation rates. The nests of 12 understorey bird species were surveyed and vegetation variables were measured within five types of habitats along a gradient of increasing forest destruction in the northeastern peripheral zone of the Korup National Park in Cameroon. Only the open-cup nest type suffers from predation, mostly egg predation. The general linear mixed model analysis suggests that the types of habitat do not affect nest daily predation rate which decreases with increasing trees and understorey plant density. The most deleterious impact of deforestation in this study area is the reduction of nesting sites whose characteristics remain unchanged across the landscape. These results underscore the need to give understorey nesting species, as well as other particularly sensitive groups, special consideration within conservation strategies such as the reduced-impact logging techniques.

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Section: Predation Rates Across Types Of Habitat and Nesting Phasessupporting

confidence: 75%

Understorey birds nests predation in afrotropical forest ecosystem: A case study of Korup area, Cameroon

Tonleu¹,

Bobo²,

Djoumessi³

et al. 2018

J. Ecol. Nat. Environ.

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“…Nesting surveys and nest measurement: An area count survey, following Kushlan (2011) was combined with systematic searching (Dorge et al, 2014;Fu et al, 2016). About 2-4 observers surveyed for nests along the major river basins and small streams which had a history of WBH sightings.…”

Section: Methodsmentioning

confidence: 99%

First Record of Successful Breeding of the Critically Endangered White-Bellied Heron (Ardea Insignis) in Broadleaved Trees

2020

THE JAPS

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The global population of White-bellied Heron Ardea insignis is likely in rapid decline across its native range and verging on extinction. Although studies focusing on foraging habitat preferences and feeding ecology have been conducted in the past, its nesting ecology and breeding biology are poorly understood. Moreover, earlier records indicated that the bird exclusively nests on chir pine trees in temperate forest between the altitudes of 600-1200 m. Here, we report the first record of successful breeding on broadleaved trees in Bhutan. The two nests we discovered were platforms made from dried twigs and small leafless branches on the topmost canopies of two broadleaved species Michelia champaca, and Pterospermum acerifolium in riverine forest. Five juveniles (two from one nest and three from the other) fledged from these nests which were at much lower altitudes than previously known. These findings suggest a possibility of a wider distribution of nesting habitat in the region and a need for further research and protection of this heron's primary riverine habitat to save this bird from extinction.

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“…The quality of nest-sites directly affects reproductive success (Macdonald et al 2016;Maisey et al 2016). Nest-site selection is affected by many biotic and abiotic factors among which nest predation is a primary selective force (Martin 1993;Chalfoun et al 2002;Fu et al 2016). In addition, climate, competition, food sources, human interference, parasitism risk, and others can all influence nest-site selection by birds (Martin 1995;Cuervo 2004;Jakubas 2005;Soler 2014;Maisey et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Adaptation or ecological trap? Altered nest-site selection by Reed Parrotbills after an extreme flood

Zhang

Liu

et al. 2019

Avian Res

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Background: Floods and other extreme events have disastrous effects on wetland breeding birds. However, such events and their consequences are difficult to study due to their rarity and unpredictable occurrence. Methods:Here we compared nest-sites chosen by Reed Parrotbills (Paradoxornis heudei) during June-August 2016 in Yongnianwa Wetlands, Hebei Province, China, before and after an extreme flooding event.Results: Twenty-three nests were identified before and 13 new nests after the flood. There was no significant difference in most nest-site characteristics, such as distance from the road, height of the reeds in which nests were built, or nest volume before or after the flood. However, nests after the flood were located significantly higher in the vegetation compared to before the flood (mean ± SE: 1.17 ± 0.13 m vs. 0.75 ± 0.26 m, p < 0.01). However, predation rate also increased significantly after the flood (67% vs. 25%, p = 0.030). Conclusions:Our results suggested that Reed Parrotbills demonstrated behavioral plasticity in their nest-site selection. Thus, they appeared to increase the height of their nests in response to the drastically changing water levels in reed wetlands, to reduce the likelihood that their nests would be submerged again by flooding. However, predation rate also increased significantly after the flood, suggesting that the change in nest height to combat the threat of flooding made the nests more susceptible to other threats, such as predation. Animals' response to rare climatic events, such as flooding, may produce ecological traps if they make the animals more susceptible to other kinds of threats they are more likely to continue to encounter.

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Nest predators, nest-site selection and nest success of the Emei Shan Liocichla (Liocichla omeiensis), a vulnerable babbler endemic to southwestern China

Cited by 25 publications

References 29 publications

Understorey birds nests predation in afrotropical forest ecosystem: A case study of Korup area, Cameroon

Understorey birds nests predation in afrotropical forest ecosystem: A case study of Korup area, Cameroon

First Record of Successful Breeding of the Critically Endangered White-Bellied Heron (Ardea Insignis) in Broadleaved Trees

Adaptation or ecological trap? Altered nest-site selection by Reed Parrotbills after an extreme flood

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