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

Host personality and seasonal parasitism risk do not account for egg rejection behavior in the azure-winged magpie DOI Creative Commons
Xingyi Jiang, Wei Liang, Yanyun Zhang

et al.

International Journal for Parasitology Parasites and Wildlife, Journal Year: 2025, Volume and Issue: unknown, P. 101056 - 101056

Published: March 1, 2025

Language: Английский

Citations

0
Offspring number and composition influence parental care strategy and offspring survival in the azure-winged magpie DOI
Bi-Yun Jia,

Zhen‐Qin Zhu,

Wenjing Zhu

et al.

Animal Behaviour, Journal Year: 2025, Volume and Issue: 222, P. 123100 - 123100

Published: March 18, 2025

Language: Английский

Citations

0
Extra‐pair paternity enhances the reproductive fitness of urban Chinese blackbird DOI Creative Commons
Xueli Zhang, Zhen Zhang, Wenjing Lü

et al.

Journal of Avian Biology, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 23, 2024

Urbanization is a human‐induced process of rapid habitat change that can affect the reproductive success animals. The occurrence extra‐pair paternity (EPP) may be sensitive to changes in urban ecological conditions. In this study, Chinese blackbird Turdus mandarinus , common breeding bird southern cities, was selected as focus species explore EPP patterns monogamous birds developing cities and relationship between pairs. Over four seasons, 316 nestlings 20 adults both rural areas were monitored genotyped for 11 microsatellite loci determine progeny affinity. We confirmed brood size hatching rate nests significantly larger than those within‐pair (WPP) nests. body mass, beak length, head length 12‐day age offspring (EPO) greater (WPO), suggesting important benefits EPP. However, accordance with analyses nest variables, we concluded occurs most often low urbanization levels, indicating some constraints strategy cities. Our findings provide new insights about how growing landscape affects mating behaviour birds, an aspect avian ecology evolution.

Language: Английский

Citations

1
Effects of extra‐pair paternity and maternity on the provisioning strategies of the Azure‐winged Magpie Cyanopica cyanus DOI
Lifang Gao, Haiyang Zhang, Wen Zhang

et al.

Ibis, Journal Year: 2019, Volume and Issue: 162(3), P. 627 - 636

Published: Nov. 11, 2019

Altricial birds show enormous intraspecific diversity in their provisioning strategies, terms of both the rate and amount food delivered per feeding bout. Extra‐pair copulations (EPCs), which result either extra‐pair paternity (EPP) or maternity (EPM), provide an opportunity to demonstrate why strategies vary among individuals. Because EPP‐cuckolded males EPM‐cuckolded females must raise unrelated young, whereas need not, we hypothesized that first two categories breeders would reduce parental effort, latter increase effort. We tested this hypothesis Azure‐winged Magpie Cyanopica cyanus by comparing number body mass fledglings, rates bout between EPP‐ faithful breeders. found (1) fledglings did not differ significantly cuckolded breeders, (2) raised from were smaller than those Compared with increased efforts nests contained no young; hence, loss parentage may be compensated for enhanced quality fledglings. In efforts; own offspring starve could survive competition mixed brood‐mates. Our findings suggest differences created EPP EPM scenarios potential fitness return raising a brood can explain variation altricial birds.

Language: Английский

Citations

10
Rapid and Low-Cost Molecular Sexing of a Corvid Songbird Using a Single Protocol with Two Universal Primer Sets DOI
Jimena Lois‐Milevicich, Raúl O. Gómez, Cynthia A. Ursino

et al.

Ardeola, Journal Year: 2021, Volume and Issue: 68(2)

Published: April 1, 2021

The absence of sex dimorphism in many bird species complicates determination by direct observation, hindering sex-specific studies. Standard protocols for molecular sexing include polymerase chain reaction (PCR) amplification intron regions the Chromodomain-Helicase DNA-binding protein 1 (CHD1) gene. While several methods have been studied, their usefulness songbirds (Passeriformes) has not consistent and largely depended on target time-consuming primer-set specific optimisation available protocols. We tested a protocol with two universal primer sets (P2/P8 2550F/2718R) corvid songbird: Plush-crested Jay Cyanocorax chrysops. was rapid inexpensive as well highly effective. Using 2550F/2718R, females were revealed bands separated some 200 base pairs (bp) that resolved easily 0.8% agarose gel. Conversely, P2/P8 female amplicons differed roughly 30 bp more expensive 3% gel necessary to reveal them. Our results are contextualised an up-to-date literature survey other corvids. set 2550F/2718R is found be effective, providing reliable low-cost method jays —Lois-Milevicich, J., Gómez, R.O., Ursino, C.A., Lois, N.A. & de la Colina, A. (2021). Rapid songbird using single sets. Ardeola, 68: 501-510.

Language: Английский

Citations

6
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