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Current Zoology 2020年第6期66卷 649-655页

作者： Jiaojiao Wang canchao yang Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life SciencesHainan Normal UniversityHaikou571158China

The selective pressure exerted by avian brood parasites forces their hosts to evolve specific defense *** subject to brood parasite attack,avian hosts will often emit alarm *** date,few studies have examined whether and how host responses to different alarm calls indicative of different enemies vary with the hosts breeding *** carried out alarm call playback experiments during both the egg and nestling stages of the oriental reed warbler Acrocephalus orientals,a host of the common cuckoo Cuculus *** playback exemplars were selected from recorded alarm calls of the warbler to the presenee of common cuckoos,sparrowhawks Accipiter nisus,and oriental turtle doves Streptopelia orientalis,which represented brood parasite,predator,and harmless control,*** results showed that the oriental reed warblers did not discriminate alarm calls issued to different intruder types,but the intensity of the response was significantly higher in the nestling stage than in the egg *** behavior related to sparrowhawk alarm calls was absent in the egg stage,but aggressive behavior in creased dramatically and exceeded the attack frequency in response to the cuckoo alarm call in the nestling stage,implying a shift in the tradeoff between the parents'own survival and the loss of *** calls attracted a larger nu mber of con specifics tha n members of other *** gen eral,the oriental reed warbler had consistently stronger responses to different alarm calls in the nestling stage than in the egg stage,supporting the offspring value hypothesis.

关键词： brood parasitism breeding stage functionally referential calls playback

Personality,recognition cues,and nest sanitation in obligate avian brood parasitism:what do we know and what comes next?

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Current Zoology 2021年第6期67卷 621-623页

作者： canchao yang Ministry of Education Key Laboratory for Ecology of Tropical Islands Key Laboratory of Tropical Animal and Plant Ecology of Hainan ProvinceCollege of Life SciencesHainan Normal UniversityHaikou 571158China

Obligate avian brood parasitism(ABP)refers to a special kind of breeding strategy observed in birds in which some species(parasites)do not invest parental care in their offspring but rather impose this duty on other species(hosts;Soler 2014).Such special breeding behavior has received attention since ancient *** example,“The Book of Poetry”(11th–6th century B.C.)recorded the parasitic behavior of cuckoos in *** 1%of bird species have evolved to engage in such behavior,and the cost incurred by the hosts has triggered a variety of anti-parasitic defenses in the latter(yang et al.2019),leading to textbook coevolution between parasitic and antiparasitic adaptations between the parasites and hosts(Davies 2011).Both the parasitic and anti-parasitic behaviors vary across species,populations,and individuals(Davies 2000;yang et al.2010;2015a,2015b,2015c,2015d),and they change over time and individual age,experience(Moksnes et al.

关键词： breeding behavior latter

Egg trait variation in a large hawk-cuckoo(Hierococcyx sparverioides)host population of Chinese babax(Babax lanceolatus)

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Integrative Zoology 2015年第3期10卷 295-301页

作者： canchao yang yang LIU Wei LIANG Ministry of Education Key Laboratory for Tropical Animal and Plant Ecology College of Life SciencesHainan Normal UniversityHaikouChina State Key Laboratory of Biocontrol and College of Ecology and Evolution Sun Yat-sen UniversityGuangzhouChina

Mutual interaction between brood parasites and their hosts is a well-known model system for studying host-parasite *** parties have acted reciprocally,resembling an evolutionary arms race,in which adaptations and counter-adaptations have evolved as a result of host-parasite dynamics,such as the classical cuckoo-host *** among parasite and cuckoo eggs and rejection of foreign eggs is regarded as an important anti-parasitism *** Chinese babax(Babax lanceolatus)is a large hawk-cuckoo(Hierococcyx sparverioides)host distributed in southwest China.A previous study shows that the babax is an intermediate egg rejector,and most cuckoo eggs are accepted by the Chinese babax,although a small proportion of hosts reject cuckoo ***,the large hawk-cuckoo lays non-mimetic eggs in contrast to the uniform blue eggs of *** egg coloration is a critical cue used by host species in favor of the recognition of parasitic eggs by hosts,we used a spectrometer to quantify egg color variation to understand the differentiation in discrimination ability between the egg rejectors and *** found that the chroma of intra-clutch variation of babax eggs was more consistent in egg rejectors than in ***,no statistical significance was found in inter-clutch variation between these two types of *** results suggest that hosts lay eggs with a low level of intra-clutch variation without the necessity of a high level of inter-clutch variation simultaneously as predicted by the egg signature *** study may further indicate that selection pressures from evolutionarily recent parasites can drive individual-based differences in an anti-parasitism strategy.

关键词： brood parasitism coevolution egg rejection inter-clutch variation intra-clutch variation

Coevolution of acoustical communication between obligate avian brood parasites and their hosts

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Avian Research 2020年第4期11卷 367-379页

作者： Jiaojiao Wang Qihong Li canchao yang College of Life Sciences Hainan Normal UniversityHaikou 571158China

The mutually antagonistic processes producing adaptations and counter-adaptations in avian brood parasites and their hosts provide a model system for the study of coevolution;this topic has long been an area of focus in ornithology and evolutionary *** there is an extensive body of literature dealing with avian brood parasitism,few empirical studies have considered the effects of the coevolutionary processes associated with brood parasitism on the acoustic characteristics of parent–offspring *** the strong selection pressures associated with brood parasitism,parasitic birds may,for instance,produce deceptive *** host may in turn evolve the ability to recognize these sounds as *** present,the mechanisms underlying the different competitive strategies employed by hosts and parasitic birds remain ***,we reviewed previous studies that investigated acoustic traits in scenarios of brood parasitism,highlighting possible adaptive *** a meta-analysis,we identified no heterogeneity among studies of begging call adaptations in parasitic ***,our results may have been affected by the small number of applicable papers available for *** meta-analysis also suggested that studies of acoustic communication and transmission in adult hosts were highly heterogenous,suggesting that research methods were inconsistent among ***,we identified knowledge gaps and proposed several lines of future research.

关键词： Acoustic communication Brood parasitism Coevolution Parasitic adaptations Anti-parasitic adaptations

The importance of brain size for the evolution of nest complexity in birds

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Integrative Zoology 2023年第6期18卷 1105-1107页

作者： canchao yang Yan CAI Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life SciencesHainan Normal UniversityHaikouChina

Birds are well known as a taxon of animals that use their wings to fly,lay hard-shelled and colorful eggs,and build elegant nests(Gill 1995).Bird nests are important because they provide safe and suitable places to incubate eggs and/or rear ***,bird nests vary from simple nests to those with complex materials and structures(Hansell 2000).

关键词： evolution size

Hawk mimicry does not reduce attacks of cuckoos by highly aggressive hosts

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Avian Research 2018年第4期9卷 299-305页

作者： Laikun Ma canchao yang Wei Liang Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life Sciences Hainan Normal University

Background: Resemblance to raptors such as hawks(Accipiter spp.) is considered to be an adaptive strategy of cuckoos(Cuculus spp.), which has evolved to protect cuckoos against host attacks. However, the effectiveness of the mimicry remains controversial, and is not yet fully studied for highly aggressive ***: We evaluated the effectiveness of sparrowhawk(Accipiter nisus) mimicry by common cuckoos(Cuculus canorus) in oriental reed warblers(Acrocephaus orientalis), which are highly aggressive hosts. Using a both the single and the paired dummy experiment, defense behaviors and attack intensities of oriental reed warblers against common cuckoos, sparrowhawks and oriental turtle doves(Streptopelia orientalis) were ***: Oriental reed warblers exhibit strong nest defense behaviors, and such behaviors do not change with breeding stage(i.e., egg stage and nestling stage). Furthermore, assistance from conspecific helpers may increase attack intensities. However, they were deterred from mobbing overall by the presence of the ***: Oriental reed warblers are able to distinguish cuckoos from harmless doves. However, they may be deterred from mobbing by the presence of the predatory hawk, suggesting hawk mimicry may be ineffective and does not reduce attacks of cuckoos by highly aggressive hosts.

关键词： Attack Brood parasitism Common cuckoo Mobbing Nest defense Oriental reed warbler

Nest-site fidelity and breeding dispersal by Common Tailorbirds in a tropical forest

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Avian Research 2019年第4期10卷 441-446页

作者： Changzhang Feng canchao yang Wei Liang Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life Sciences Hainan Normal University

Background:Information pertaining to nest-site fidelity and breeding dispersal over successive years can help to better our understanding of how birds respond to nest ***:By using mist nets and tracking the color banded individuals,we investigated nest-site fidelity and breeding dispersal by Common Tailorbirds(Orthotomus sutorius)throughout a year and between successive years in 2017–***:The present study showed that Common Tailorbirds could produce up to four clutches per breeding *** multiple broods were produced within a year,breeding pairs remained together,and the nest rebuilding rate was up to 92.2%,with only four cases(7.8%)in which birds reused their old *** dispersal distance between the nests during multiple breeding was found to be 10.0±10.5 m,and nest-site fidelity within the same year was 90.0%.By the second year of breeding,76.2%of individuals remained in the original breeding pairs,while for those that did switch partners,the females remained in the nest from the previous year and paired with new *** dispersal distance between years was 26.5±41.9 m,and nest-site fidelity between different years was 80.1%.There was no significant difference between within-year and between-year dispersal ***,there was no significant difference in the dispersal distance of rebuilt nests between birds that had experienced nest predation and those that had ***:Our findings suggest that Common Tailorbirds maintain a high degree of fidelity to mates and nestsites,and nest predation had no significant effect on territorial changes or breeding dispersal distance between each breeding attempt.

关键词： Nest predation Nest-site fidelity Multiple breeding Mate change Tropical birds

Breeding biology and novel reproductive behaviour in the Hainan Partridge(Arborophila ardens)

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Avian Research 2017年第4期8卷 232-237页

作者： Xiaodong Rao canchao yang Wei Liang Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life SciencesHainan Normal UniversityHaikou 571158China

Background: The Hainan Partridge(Arborophila ardens) is endemic to Hainan Island,China,and is listed as vulnerable(VU) because its population size is steadily decreasing due to illegal hunting and habitat *** breeding biology is poorly ***: This study was conducted in three sites in the major tropical primary rainforest in *** of the Hainan Partridge were found by monitoring radio-tracked *** recorders were set up to monitor reproductive behaviour of Hainan Partridge when nests were ***: Here for the first time we report the breeding biology of Hainan Partridge by providing information on its nest site,nest,eggs,and reproductive *** found that Hainan Partridges laid immaculate white eggs in ground nests which were totally covered by dry leaves and small branches forming arches that provided optimal concealment.A novel and regular behaviour was found in Hainan Partridges since they grasped leaves and small branches and then threw them on or around their nests to provide cover during incubation and after hatching of ***: Recruitment behaviour in Hainan Partridges benefit from supplementation of nest arch material to nests,cover the nest entrance and thus maintain or increase nest ***,it may also contribute to concealment of the track which could expose their activities and clues for *** finding implies that the Hainan Partridge has evolved such a novel reproductive behaviour under the strong selection of predation *** to habitat fragmentation and habitat loss,we suggest setting up arch structures and provide small branches and leaves in degraded or fragmented habitats to improve their suitability for partridge *** method may contribute to increasing the reproductive success of Hainan Partridge and thus compensate for its continuous population decrease.

关键词： Habitat fragmentation Habitat loss Nest arch Nest concealment Recruitment behavior

Breeding ecology of the Yellow-bellied Warbler (Abroscopus superciliaris)

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Avian Research 2020年第4期11卷 484-489页

作者： Jianli Bi Yuxin Jiang canchao yang College of Life Sciences Hainan Normal UniversityHaikou 571158China

The life history of birds dictates their activities and is crucial to population ***,the life history traits of only one-third of the world’s bird species have been described;the rest are poorly *** studied the breeding ecology of the Yellow-bellied Warbler(Abroscopus superciliaris)and documented reproductive information throughout the egg and nestling *** data included natural nest sites,nest components,nest size,egg laying dates and time,egg morph,egg size,clutch size,egg incubation,nestling brooding and feeding,nestling morph and growth,and reproductive *** study provided particular information of breeding ecology that has not been reported before in the Yellow-bellied Warbler.

关键词： Behavioral patterns Egg incubation Life history Nestling feeding Reproductive success

The effects of anthropogenic noise on nest predation with respect to predator species across different habitats and seasons

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Avian Research 2023年第3期14卷 377-384页

作者： Xiaogang Yao Neng Wu Yan Cai canchao yang Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life SciencesHainan Normal UniversityHaikou 571158China Kuankuoshui National Nature Reserve Suiyang 563300China

Noise pollution is a maj or component of sensory pollution that can disrupt the well-being and functioning of living organisms,affect a variety of life history traits in animals,and reduce their reproductive *** this study,we used artificial nest experiments with noise manipulation to investigate the influence of anthropogenic noise on nest predation during the breeding and non-breeding seasons and in different forest *** found that the noise treatment did not alter the predation rates or survival probabilities of birds in artificial ***,the diversity and species composition of nest predators in artificial pine forests varied between breeding and nonbreeding seasons,which may be explained by season-specific adaption of nest predators to bird nests or the unstable ecosystems of artificial *** diversity and species composition of nest predators differed between the different forests,probably because of differences in habitat *** time varied with treatment,season,and habitat,although most predators were nocturnal *** segregation or changes in optimal foraging time may explain this phenomenon.

关键词： Artificial forest Artificial nest Predator diversity Primary forest Secondary forest Sensory pollution