Breeding biology of the Xinjiang ground-jay Podoces biddulphi in the Taklimakan Desert, NW China DOI Creative Commons

Kechun Wang,

Yuping Tong, Wenxuan Xu

et al.

Global Ecology and Conservation, Journal Year: 2023, Volume and Issue: 47, P. e02690 - e02690

Published: Oct. 18, 2023

The Xinjiang ground-jay (Podoces biddulphi), which is endemic to China, has a limited distribution and small population in the Taklimakan Desert. In this study, we described breeding biology nestling growth patterns of understudied species. Eleven nests were monitored over three consecutive seasons (2017–2019). season extends from March May with clutch size two or three. incubation period was 18 d, females spent most their time incubating eggs (63 %), followed by collecting leaves (25 resting (10 turning (1 grooming (0.6 being vigilant (0.4 %). Both parents fed nestlings similar feeding frequencies durations. curve S-shaped, parameters related mortality, such as tarsus length, showed faster than others. Over seasons, 32 laid across 11 nests. Fifteen (47 %) hatched, 12 hatchlings six fledged (37.5 Our study provides detailed information on ground-jay. Given its low reproductive success rate, size, distribution, bird species, requires further research, conservation should be prioritized.

Language: Английский

Maternal Investment Is Positively Associated With the Presence of Extra‐Pair Offspring in a Socially Monogamous Songbird DOI Creative Commons

Valerie N. Brewer,

Samuel J. Lane, Isaac J. VanDiest

et al.

Ecology and Evolution, Journal Year: 2025, Volume and Issue: 15(3)

Published: March 1, 2025

ABSTRACT Biparental care is common in socially monogamous avian species, but both partners may seek extra‐pair copulations (EPCs). The relative costs and benefits of EPCs between the sexes are likely complex, yet implications for parental behavior have been examined predominantly males. Not only could females benefit from EPCs, would additional information about likelihood young (EPY) their nest not available to partners, which influences female behavior. We how presence abundance EPY a affect songbird, song sparrows ( Melospiza melodia ). predicted that who mated outside social pair invest more clutch with higher probability EPY. monitored visitation rates by male as proxy investment quantified paternity 45 nests. Maternal were nests compared without, while males did adjust relation These findings support our prediction participated EPC resulting offspring.

Language: Английский

Citations

0
Detection of extra‐pair maternity in a carrion beetle under natural conditions DOI
Takuma Niida, Izumi Yao,

Tomoyosi Nisimura

et al.

Ecological Entomology, Journal Year: 2024, Volume and Issue: 49(5), P. 734 - 738

Published: April 18, 2024

Abstract The provision of care to offspring is a costly endeavour that can be hijacked by others—known as brood parasitism. Females choose lay eggs in the nest conspecific female, resulting extra‐pair maternity (EPM). Burying beetles genus Nicrophorus use small vertebrate carcasses for reproduction and provide biparental their offspring. Carcasses are rare resource; thus, competition often occurs among adults same sex. A previous study examined outcomes subsequent parental vespilloides using laboratory experiments. Larvae losing females were sometimes cared winning females, which generally an evidence EPM. However, presence EPM burying under natural conditions has not yet been well established. Here, we focused on N. quadripunctatus field. To examine EPM, analysis was performed 149 caring 10 broods, 8 microsatellite DNA loci. Seven larvae originating from three broods unrelated females. There one each broods. Thus, conditions.

Language: Английский

Citations

1
Males and females of a polygamous songbird respond differently to mating opportunities DOI
Jia Zheng, Jan Komdeur, Tamás Székely

et al.

Behavioral Ecology and Sociobiology, Journal Year: 2021, Volume and Issue: 75(4)

Published: March 25, 2021

Language: Английский

Citations

10
Inability of recognizing offspring underlies parental errors in the selection of offspring DOI Creative Commons
Lifang Gao, Wen Zhang,

Wenjing Zhu

et al.

Avian Research, Journal Year: 2024, Volume and Issue: unknown, P. 100218 - 100218

Published: Nov. 1, 2024

Language: Английский

Citations

1
Inter-individual variation in provisioning rate, prey size and number, and links to total prey biomass delivered to nestlings in the Collared Flycatcher (Ficedula albicollis) DOI Creative Commons
Laure Cauchard,

Elise Isabella Macqueen,

Rhona Lilley

et al.

Avian Research, Journal Year: 2021, Volume and Issue: 12(1)

Published: April 9, 2021

Abstract Background In bird species where offspring growth and survival rely on parents’ food provisioning, parents can maximise their fitness by increasing the quantity and/or quality of preys delivered to offspring. Many studies have focused inter-individual variation in feeding rate, yet this measure may not accurately reflect total amount (i.e. energy) provided if there is large at each feeding. Here, we explored relative role individual (sex, age, body condition), breeding (hatching date, brood size) environmental (temperature) factors prey number, size quality, contribution biomass nestlings 164 Collared Flycatcher ( Ficedula albicollis ) 98 nests. Results Preys nest were mainly larvae (53.6%) flying insects (45.6%). Feeding rate increased with was higher males than females. Mean number decreased, but mean increased, as season progressed primary brought more per visit. Relationships between remained when taking into account provisioning quality: either a small or larger items, force trade-offs depended parents. Whatever percentage among variance foremost explained (65.1% 76.6%) compared (16.4% 26%) (2.7% 4%). Conclusions Our study shows that size, larvae), influenced (sex age) decisions (brood timing breeding) that, whatever strategy adopted, best proxy nestlings.

Language: Английский

Citations

6
Coevolution of female fidelity and male help in populations with alternative reproductive tactics DOI Creative Commons
Xiangyi Li, Andrew Morozov, Wolfgang Goymann

et al.

Proceedings of the Royal Society B Biological Sciences, Journal Year: 2021, Volume and Issue: 288(1943), P. 20202371 - 20202371

Published: Jan. 27, 2021

In socially monogamous species, pair-bonded males often continue to provide care all offspring in their nests despite some degree of paternity loss due female extra-pair copulation. Previous theoretical models suggested that females can use within-pair as ‘hostages' blackmail social mates, so they the brood at low levels cuckoldry. These models, however, rely on assumption sufficiently accurate male detection cuckoldry and reduction parental effort case suspicion. Therefore, cannot explain abundant cases where cuckolded extensive brood. Here we an analytical population genetics model individual-based simulation explore coevolution fidelity help populations with two genetically determined alternative reproductive tactics (ARTs): sneakers achieve solely via copulations bourgeois form a mating pair spend efforts care. We show when efficiency mate guarding is intermediate, evolve ‘specialize' providing by spending more than 90% time helping while them much possible, frequent sneakers. also have tactic-specific adaptations thus are competitive gaining fertilizations, frequency degrees fluctuate evolutionary cycles. Our predictions highlight need for further empirical tests species ARTs.

Language: Английский

Citations

3
Fitness consequences of divorce in the azure-winged magpie depends on the breeding experience of a new mate DOI Creative Commons
Lifang Gao, Haiyang Zhang, Wen Zhang

et al.

Current Zoology, Journal Year: 2020, Volume and Issue: 67(1), P. 17 - 25

Published: March 20, 2020

Abstract Sexual conflict in producing and raising offspring is a critical issue evolutionary ecology research. Individual experience affects their breeding performance, as measured by such traits of provisioning engagement extra-pair copulations, may cause an imbalance sexual conflict. Thus, divorce hypothesized to occur within aged social pairs, irrespective current reproductive success. This concept was explored the azure-winged magpie Cyanopica cyanus investigating pair its relationship changes performance with prior experience. Females engaging copulation intensify conflicts be main reason for divorce. Once divorced, females repairing inexperienced male realized higher success than that experienced male; males female female. finding indicates fitness consequence depends on new mates. Divorced can obtain more whereas divorced cannot, when they repair breeders. provisioned brood at lower rates had no difference. It appears advantage mates future reproduction. Consequently, are probably active divorcing so select mate. Azure-winged magpies thus provide novel insights into implications birds.

Language: Английский

Citations

2
Loss of Extra-pair Paternity is not Associated with Decreased Paternal Investment in Mixed-paternity Broods or Unrelated Nestlings in the Varied Tit, Parus varius DOI Open Access
Donglai Li,

Han Mei,

Huw Lloyd

et al.

Pakistan Journal of Zoology, Journal Year: 2020, Volume and Issue: 53(6)

Published: Nov. 8, 2020

Males of socially monogamous bird species may be faced with providing costly care for unrelated offspring when nests have extra-pair young (EPY).Theoretical models predict that cuckolded males should lower their parental investment as the likelihood paternity decreases.However, empirical data are not always in support this prediction.Here, we explore behaviours within context patenity (EPP) a population varied tit Parus varius China.The results showed 39.5% were and 16.4% chicks sired by males.We found no evidence male female tits reduced feeding rates or relative effort to EPP broods, they decreased provisioning EPY mixed broods.There was also direct effect on reproductive success breeding adults body condition nestlings near fledging.The lack reliable cues EP copulations (EPC)s social mates available males, and/or absence strictly environmental pressure would favor discrimination account an adjustment effort.The between own suggests females pay fitness cost result EPCs, which explain high frequency nests.

Language: Английский

Citations

2
Parental dependence on the nest’s spatial cues in offspring recognition decreases with nestling growth in the azure-winged magpie DOI Creative Commons
Lifang Gao, Wen Zhang, Haiyang Zhang

et al.

Current Zoology, Journal Year: 2020, Volume and Issue: 66(6), P. 643 - 648

Published: April 8, 2020

Abstract In altricial birds, to address which cues are used by parents recognize their offspring, and when they switch between during reproduction, it has not been well determined. this study, we question in a Tibetan population of the azure-winged magpie Cyanopica cyanus, examining dependence on nest’s spatial position offspring recognition. During egg nestling phases, nests were translocated new positions across various distances from original site, parental responses investigated. Our findings show that is connected with survival its young, but might be as cue When within certain distance, could returned resume parenting behaviors. Parental recognition higher phase than phase, decreases growth nestlings. After nestlings reach age, nest’ s was no longer single for These suggest magpies different stages reproduction. parent–offspring communication established, offspring’s phenotypic traits may become more reliable

Language: Английский

Citations

1
Breeding biology of the Xinjiang ground-jay Podoces biddulphi in the Taklimakan Desert, NW China DOI Creative Commons

Kechun Wang,

Yuping Tong, Wenxuan Xu

et al.

Global Ecology and Conservation, Journal Year: 2023, Volume and Issue: 47, P. e02690 - e02690

Published: Oct. 18, 2023

The Xinjiang ground-jay (Podoces biddulphi), which is endemic to China, has a limited distribution and small population in the Taklimakan Desert. In this study, we described breeding biology nestling growth patterns of understudied species. Eleven nests were monitored over three consecutive seasons (2017–2019). season extends from March May with clutch size two or three. incubation period was 18 d, females spent most their time incubating eggs (63 %), followed by collecting leaves (25 resting (10 turning (1 grooming (0.6 being vigilant (0.4 %). Both parents fed nestlings similar feeding frequencies durations. curve S-shaped, parameters related mortality, such as tarsus length, showed faster than others. Over seasons, 32 laid across 11 nests. Fifteen (47 %) hatched, 12 hatchlings six fledged (37.5 Our study provides detailed information on ground-jay. Given its low reproductive success rate, size, distribution, bird species, requires further research, conservation should be prioritized.

Language: Английский

Citations

0