FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W596644709> ?p ?o ?g. }

• W596644709 abstract "The interaction between brood parasitic cuckoos and their hosts represents a traditional example of coevolution, whereby obligate interspecific brood parasitic cuckoos completely rely on their hosts to do their parental care for them by laying their eggs in the host’s nest. This thesis brings together a great deal of information documenting and clarifying the interactions between different species of hosts and their respective parasitic cuckoos in Bangladesh. I recorded parasitism rates to determine the extent of brood parasitism and to identify the host species that were parasitised by sympatric cuckoos. Four parasitic cuckoos were documented: the Asian koel ( Eudynamys scolopacea), the common hawk cuckoo (Cuculus varius; previously known as Hierococcyx varius), the pied cuckoo (Clamator jacobinus) and the Indian cuckoo (Cuculus micropterus). These cuckoos were sympatric and parasitised different host species, including the house crow (Corvus splendens), the long-tailed shrike (Lanius schach), the common myna (Acridotheres tristis), the jungle babbler (Turdoides striatus) and the black drongo (Dicrurus macrocercus). All of these cuckoo species are obligate brood parasites. The Asian koel utilised the following three hosts: the house crow, the common myna and the long-tailed shrike. The latter was recorded for the first time as a host for the Asian koel in Bangladesh. We found that koel eggs were highly non-mimetic to those of common myna and long-tailed shrike, but showed good mimicry to house crow eggs. Indian cuckoos showed excellent egg mimicry with the eggs of their black drongo hosts, as did common hawk cuckoos and pied cuckoos with their jungle babbler host. The hosts accepted the eggs of all four cuckoo species. However, the common myna was more likely to abandon nests parasitised by the koel than unparasitised ones. All of the host species suffered the costs of koel parasitism, showing reduced breeding success. Proximity to fruit trees was an important predictor of the probability of parasitism in the three koel host species studied. There was a significant positive relationship between nest volume and probability of parasitism by Asian koels. Furthermore, the colonial breeding house crows suffered comparatively less parasitism than the other two koel host species. Long-tailed shrike nests close to conspecific neighbours were less likely to be parasitised, and the risk of parasitism was increased in nests lower to the ground. The risk of parasitism increased during the breeding season for house crows and common mynas. All three Asian koel hosts tolerated multiple parasitism. We investigated whether there was any interspecific competition among the sympatric cuckoos. In theory, sympatric parasites should show niche segregation through variation in host use. As predicted, each cuckoo species parasitised different host species; however, host use overlapped in common hawk cuckoos and pied cuckoos, but interspecific competition was reduced because these two cuckoo species have different breeding seasons. Furthermore, there was a significant difference in parasitism rate among the three main habitats: human habitations, mixed scrub forests and monoculture plantations. This indicated that different cuckoos favour specific habitats, even if their favourite host also occurs elsewhere. Finally, I tested responses against foreign eggs by the cuckoo hosts as well as by potential cuckoo hosts in the study area. For this purpose, I used differently sized and coloured model eggs. Common mynas and jungle babblers accepted all non-mimetic eggs, as did most of the house crows (91 %). Long-tailed shrikes rejected 75 % of the non-mimetic model eggs. Finally, black drongos turned out to be strong rejectors and could do so without damaging any of their own eggs, most likely because they grasped and ejected the non-mimetic model egg. This result indicates that the black drongo has been in a coevolutionary arms race with the Indian cuckoo since drongos accepted mimetic cuckoo eggs. Species such as the Oriental magpie robin (Copsychus saularis), red-vented bulbul (Pycnonotus cafer) and Asian pied starling (Gracupica contra), which likely have no history of interaction with cuckoos, accepted 100 % of the non-mimetic model eggs. In conclusion, our findings describe host nest use cues used by the Asian koel, which may provide background for further studies in other sympatric brood parasites. In spite of the high degree of acceptance of parasitic eggs, the breeding success of both cuckoos and hosts should be more closely studied to obtain a better understanding of the costs of parasitism. Future experimental studies are highly recommended to achieve a better understanding of host responses to Asian cuckoo species." @default.
• W596644709 created "2016-06-24" @default.
• W596644709 creator A5015552039 @default.
• W596644709 date "2011-01-01" @default.
• W596644709 modified "2023-09-23" @default.
• W596644709 title "Brood Parasitism in Asian Cuckoos: Different Aspects of Interactions between Cuckoos and their Hosts in Bangladesh" @default.
• W596644709 cites W1608031498 @default.
• W596644709 cites W1948293144 @default.
• W596644709 cites W1965485425 @default.
• W596644709 cites W1966533208 @default.
• W596644709 cites W1968390532 @default.
• W596644709 cites W1968738795 @default.
• W596644709 cites W1973028367 @default.
• W596644709 cites W1976677178 @default.
• W596644709 cites W1977790238 @default.
• W596644709 cites W1982346094 @default.
• W596644709 cites W1987376457 @default.
• W596644709 cites W1988607150 @default.
• W596644709 cites W1993579038 @default.
• W596644709 cites W1994970246 @default.
• W596644709 cites W1995729600 @default.
• W596644709 cites W1996376866 @default.
• W596644709 cites W2000177333 @default.
• W596644709 cites W2000882607 @default.
• W596644709 cites W2005047518 @default.
• W596644709 cites W2007502582 @default.
• W596644709 cites W2007764944 @default.
• W596644709 cites W2009049764 @default.
• W596644709 cites W2010446811 @default.
• W596644709 cites W2014280974 @default.
• W596644709 cites W2016722420 @default.
• W596644709 cites W2017437469 @default.
• W596644709 cites W2019486390 @default.
• W596644709 cites W2020815519 @default.
• W596644709 cites W2021916175 @default.
• W596644709 cites W2024077017 @default.
• W596644709 cites W2024615758 @default.
• W596644709 cites W2035018245 @default.
• W596644709 cites W2050440106 @default.
• W596644709 cites W2053868985 @default.
• W596644709 cites W2054542689 @default.
• W596644709 cites W2055556948 @default.
• W596644709 cites W2055592549 @default.
• W596644709 cites W2058276770 @default.
• W596644709 cites W2059934824 @default.
• W596644709 cites W2065341910 @default.
• W596644709 cites W2069162334 @default.
• W596644709 cites W2072687371 @default.
• W596644709 cites W2073828593 @default.
• W596644709 cites W2077549115 @default.
• W596644709 cites W2079217558 @default.
• W596644709 cites W2081208917 @default.
• W596644709 cites W2087619840 @default.
• W596644709 cites W2090478125 @default.
• W596644709 cites W2092140369 @default.
• W596644709 cites W2094685500 @default.
• W596644709 cites W2095956647 @default.
• W596644709 cites W2100197738 @default.
• W596644709 cites W2103821961 @default.
• W596644709 cites W2107414135 @default.
• W596644709 cites W2122105003 @default.
• W596644709 cites W2141634519 @default.
• W596644709 cites W2142617708 @default.
• W596644709 cites W2144736323 @default.
• W596644709 cites W2151795139 @default.
• W596644709 cites W2154313425 @default.
• W596644709 cites W2157898703 @default.
• W596644709 cites W2160367065 @default.
• W596644709 cites W2161567976 @default.
• W596644709 cites W2163400169 @default.
• W596644709 cites W2165990172 @default.
• W596644709 cites W2173400825 @default.
• W596644709 cites W2177943259 @default.
• W596644709 cites W2315395720 @default.
• W596644709 cites W2319784946 @default.
• W596644709 cites W2322417438 @default.
• W596644709 cites W2329481092 @default.
• W596644709 cites W2330864009 @default.
• W596644709 cites W2333995178 @default.
• W596644709 cites W2473645743 @default.
• W596644709 cites W2517567681 @default.
• W596644709 cites W2801059651 @default.
• W596644709 cites W2945926523 @default.
• W596644709 cites W3186685112 @default.
• W596644709 cites W585831521 @default.
• W596644709 hasPublicationYear "2011" @default.
• W596644709 type Work @default.
• W596644709 sameAs 596644709 @default.
• W596644709 citedByCount "1" @default.
• W596644709 countsByYear W5966447092017 @default.
• W596644709 crossrefType "dissertation" @default.
• W596644709 hasAuthorship W596644709A5015552039 @default.
• W596644709 hasConcept C126831891 @default.
• W596644709 hasConcept C155284869 @default.
• W596644709 hasConcept C18903297 @default.
• W596644709 hasConcept C2776810535 @default.
• W596644709 hasConcept C2778234367 @default.
• W596644709 hasConcept C86803240 @default.
• W596644709 hasConcept C90856448 @default.
• W596644709 hasConceptScore W596644709C126831891 @default.

• next