Breeding biology of the Green-backed Tit (Parus monticolus) in southwest China

Yao, Xiaogang; Bi, Jianli; Li, Chang-Jiu; Liang, Wei; Yang, Canchao

doi:10.1186/s40657-021-00296-z

Cited by 4 publications

(6 citation statements)

References 20 publications

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“…The frequency of feeding as a function of nestling age was similar between Shamas and Magpie Robins, with a reduction in the last few days before fledging. This pattern is consistent with numerous previous studies on Green-backed Tits [81], Long-tailed Tits [84], Yellow-bellied Warblers (Abroscopus superciliaris) [86], Blue-tailed Bee-eaters (Merops philippinus) [87], and White-crested Laughingthrush (Garrulax leucolophus) [88]. In the early stages of brooding, chicks are small and have a low demand for food.…”

Section: Discussionsupporting

confidence: 91%

“…The Shamas employed a relatively longer daily incubation time but lower daily incubation frequency than those of the Magpie Robins, indicating a strategy of longer incubation time with a shorter frequency of nest leaving, similar to that of the Greater Coucal in the same area [79]. In contrast, the Magpie Robins adopted a strategy of short incubation time and elevated frequency of nest departure, similar to Great Tits (Parus major) [80] and Green-backed Tits (Parus monticolus) [81]. Conway and Martin [82] postulated that minimizing the frequency of nest departure and prolonged incubation could reduce the energy expenditure associated with parent birds warming the eggs.…”

Section: Discussionmentioning

confidence: 99%

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Comparison of Reproductive Strategies between Two Sympatric Copsychus Passerines

Zhang,

Bi,

Zhao

et al. 2024

Animals

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Reproduction plays a crucial role in determining the development, fate, and dynamics of bird populations. However, reproductive strategies vary among species and populations. In this study, we investigated the reproductive strategies of the Oriental Magpie Robin (Copsychus saularis) and White-rumped Shama (C. malabarica), which are closely related passerines that reproduce in sympatric areas. We found that although these two species were both cavity nesting, their nest-site selection differed; the Shama preferred nesting close to trees and forests, whereas the Magpie Robin nested close to human residential areas. Furthermore, their egg incubation patterns differed; the Shama increased daily incubation frequency with incubation time, but the Magpie Robin maintained its daily incubation time regardless of changes in incubation frequency. However, the nestling heating patterns of these two species were similar, indicating a critical demand for regulating hatchling body temperature during this crucial stage. The feeding frequencies of male parents were strongly correlated with those of females in both species, suggesting equal contribution and good synchronization between the sexes. Nestling feeding frequency was also correlated with nest cleaning frequency, implying coordination between feeding and defecation by parents and offspring, respectively. This research explored the divergence and convergence of reproductive strategies between these two sympatric species, providing valuable insights into the niche differentiation theory.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Comparison of Reproductive Strategies between Two Sympatric Copsychus Passerines

Zhang,

Bi,

Zhao

et al. 2024

Animals

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“…The latency to rejection was extracted from the videos to a precision of 1 min. The model eggs were made of polymer clay according to the mean egg size (1.38 g in mass and 1.36 cm 3 in volume) of green-backed tits [40]. A manipulation identical to the experimental procedure above, except for adding model eggs, was performed to control for the disturbance of human handling.…”

Section: Methodsmentioning

confidence: 99%

“…This study was performed during the breeding season of green-backed tits (April-August) in 2020. In this study population, females were solely responsible for egg incubation [40,41].…”

Section: Materials and Methods (A) Study Area And Speciesmentioning

confidence: 99%

Revealing the roles of egg darkness and nest similarity for a cryptic parasite egg versus host's cognition: an alternate coevolutionary trajectory

Yang

Yao

et al. 2023

Proc. R. Soc. B.

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As a text-book example of coevolution, the escalating interactions between egg mimicry by parasitic cuckoos and egg recognition by their hosts constitute a key battlefield for parasitism and anti-parasitism strategies. However, some parasite–host systems have deviated from this coevolutionary trajectory because some cuckoos do not lay mimetic eggs, while the hosts do not recognize them, even under the high costs of parasitism. The cryptic egg hypothesis was proposed to explain this puzzle, but the evidence to date is mixed and the relationship between the two components of egg crypticity, egg darkness (dim egg coloration) and nest similarity (similarity to host nest appearance), remains unknown. Here, we developed a ‘field psychophysics’ experimental design to dissect these components while controlling for undesired confounding factors. Our results clearly show that both egg darkness and nest similarity of cryptic eggs affect recognition by hosts, and egg darkness plays a more influential role than nest similarity. This study provides unambiguous evidence to resolve the puzzle of absent mimicry and recognition in cuckoo–host systems and explains why some cuckoo eggs were more likely to evolve dim coloration rather than similarity to host eggs or host nests.

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“…from the beginning of nest building to the last nestling fledged) lasted about 40 days . 37 In this study the experimental time covered a total period of 45 days and most of the nests (96.83%, n = 63) received experimental treatment within 37 days. In other words, most nests were overlapped in breeding cycle during the experiment.…”

Section: Field Experimentsmentioning

confidence: 99%

Parasite egg recognition based on multicomponent cues by green-backed tits (Parus monticolus)

Yan

Yao

et al. 2021

Avian Biology Research

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Egg recognition and rejection is a common and effective anti-parasitism adaptation in bird hosts. Hosts reject alien eggs using recognition signals such as egg ground color and maculation. Green-backed tits ( Parus monticolus) have a highly developed capability for recognizing parasite eggs, but the cues used for egg recognition are unclear. We combined avian visual perceptual modeling and field experiments to explore the effects of egg ground color and maculation on the recognition of parasite eggs. P. monticolus uses a multi-cue with possible hierarchical mechanism for egg recognition. The mechanism of egg recognition in P. monticolus appears to be a specific adaptation to the phenotypes of eggs laid by local brood parasites.

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Breeding biology of the Green-backed Tit (Parus monticolus) in southwest China

Cited by 4 publications

References 20 publications

Comparison of Reproductive Strategies between Two Sympatric Copsychus Passerines

Comparison of Reproductive Strategies between Two Sympatric Copsychus Passerines

Revealing the roles of egg darkness and nest similarity for a cryptic parasite egg versus host's cognition: an alternate coevolutionary trajectory

Parasite egg recognition based on multicomponent cues by green-backed tits (Parus monticolus)

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