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Blue-tailed bee-eater

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Blue-tailed bee-eater
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Coraciiformes
Family: Meropidae
Genus: Merops
Species:
M. philippinus
Binomial name
Merops philippinus
Linnaeus, 1767
Synonyms

M. javanicus Horsfield, 1821

Blue-tailed Bee eater, Dhaka, Bangladesh

The blue-tailed bee-eater (Merops philippinus) is a near passerine bird in the bee-eater family Meropidae. It is widely distributed across South and Southeast Asia where many populations are strongly migratory, and seen seasonally in many parts but breeding colonially in small areas across their range, mostly in river valleys, where they nest by tunneling into loamy sand banks. They are seen mostly in open habitats close to water.

Description

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This species, like other bee-eaters, is a richly coloured, slender bird. It is predominantly green; its face has a narrow blue patch with a black eye stripe, and a yellow and brown throat; the tail is blue and the beak is black. The three outer toes are united around their bases. It can reach a length of 23–26 cm, including the two elongated central tail feathers which can be just two inches more than the remaining ten feathers.[2] Sexes are alike. This species is usually found near water and like other bee-eaters it predominantly eats flying insects, especially bees (as large as the Xylocopa sp.[3]), wasps and hornets, which are caught in the air by sorties from an open perch. They may also forage in flight over estuaries, backwaters and even over the sea but not far from the coast.[4] This species probably takes bees and dragonflies in roughly equal numbers. The insects that are caught are beaten on the perch to kill and break the exoskeleton. This habit is seen in many other members of the order Coraciiformes.[5] They call mainly in flight with a rolling chirping whistling teerp.[2]

The only confusable species within its range is the blue-cheeked bee-eater which however tends to be found in drier areas. The blue-tailed differs in having the rump and tail blue rather than green and black. The undertail feathers are bluish rather than green in the blue-cheeked. The blue cheek patch is much smaller while the chestnut on the throat and breast darker and covering a larger area.[5]

They breed in April to May in India nesting colonially with closely placed nest holes in a vertical mudbank or even burrowing into gently sloping land. They tend to choose sandy and sandy clay loams but avoid heavier clay loams.[6] They also prefer clear mud banks without any vegetation cover.[7] In Sri Lanka, they have been noted to breed in artificial sand dunes created by dredging of sea sand.[8] The nest tunnel can run nearly 2 metres deep. About 5 to 7 near spherical eggs are laid. Both the male and the female take care of the eggs. The parents guard the nest to prevent intraspecific brood parasitism and extra pair copulation. These birds also feed and roost communally.[5] One or two helpers may join the breeding pair after incubation begins.[9] Although males and females appear similar to the human eye, males tend to have longer central tail feather extensions and UV reflectance studies demonstrate that healthy males had darker chestnut throats and brighter green body plumage while females showed brighter blue rumps and yellow chins.[10]

Taxonomy and systematics

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This species has sometimes been considered to be conspecific with the blue-cheeked bee-eater which is a close sister taxon, the two forming a clade with the Madagascan olive bee-eater.[11] In the past the species has been treated variously as M. persicus javanicus, M. superciliosus javanicus, and M. superciliosus philippinus.[12]

Ecological interactions

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Based on the presence of spores of Nosema ceranae in the droppings of blue-tailed bee-eaters, it has been suggested that they may be capable of distributing the parasite to bees across a wide geographic range.[13] A species of feather louse, Brueelia superciliosa has been described from hosts of this species in Thailand.[14]

Distribution and movements

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The species has a patchy breeding distribution across India, Myanmar, and parts of Southeast Asia.[12] In India they are known to breed in several of the river valleys including those of the Godavari, Kaveri, Tunga Badra and Krishna rivers.[15] They also nest in the eastern parts of Sri Lanka.[16][8]

Blue-tailed bee-eaters are seasonal in many parts of their range and are known to migrate diurnally en masse at some places like Tanjung Tuan (W. Malaysia) and Promsri Hill[17] (southern Thailand).[18] They are winter visitors in parts of Malaysia and peninsular India.[19] The non-breeding ranges of the blue-cheeked bee-eater and blue-tailed overlap in some parts of Gujarat[20] and western peninsular India.[21]

Status

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The Blue-tailed bee-eater is listed as a species of least concern by the International Union for Conservation of Nature.[1]

References

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  1. ^ a b BirdLife International (2016). "Merops philippinus". IUCN Red List of Threatened Species. 2016: e.T22683750A92998513. doi:10.2305/IUCN.UK.2016-3.RLTS.T22683750A92998513.en. Retrieved 12 November 2021.
  2. ^ a b Whistler, Hugh (1949). Popular Handbook of Indian Birds (4 ed.). London: Gurney and Jackson. p. 297.
  3. ^ Mason, C.W. (1911). Maxwell-Lefroy, H. (ed.). The Food of Birds in India. Pusa: Agricultural Research Institute. pp. 164–165.
  4. ^ Dresser, H.E. (1886). A monograph of the Meropidae, or the family of bee-eaters. London. pp. 55–61.{{cite book}}: CS1 maint: location missing publisher (link)
  5. ^ a b c Ali, Salim; Ripley, S. Dillon (1983). Handbook of the Birds of India and Pakistan. Volume 4 (2 ed.). Delhi: Oxford University Press. pp. 106–108.
  6. ^ Yuan, Hsiao-Wei; Wang, Ming-Kuang; Chang, Wen-Lian; Wang, Lee-Ping; Chen, Yue-Min; Chiou, Chyi-Rong (2006). "Soil composition affects the nesting behavior of blue-tailed bee-eaters (Merops philippinus) on Kinmen Island". Ecological Research. 21 (4): 510–512. Bibcode:2006EcoR...21..510Y. doi:10.1007/s11284-006-0183-9. ISSN 0912-3814. S2CID 24574485.
  7. ^ Wang, Yi-Ping; Siefferman, Lynn; Wang, Yuan-Jyun; Ding, Tzung-Su; Chiou, Chyi-Rong; Shieh, Bao-Sen; Hsu, Fu-Shung; Yuan, Hsiao-Wei (2009). "Nest site restoration increases the breeding density of blue-tailed bee-eaters". Biological Conservation. 142 (8): 1748–1753. Bibcode:2009BCons.142.1748W. doi:10.1016/j.biocon.2009.03.013.
  8. ^ a b Hewavithana, K.; Pieris, A.L.; Peries, T.N.; Wijesinghe, M.R. (2017). "Discovery of a large nesting colony of the blue-tailed bee-eater (Merops philippinus) in Oluvil, Amparad". Wildlanka. 5 (1): 11–16.
  9. ^ Burt, D. Brent (2002). "Social and Breeding Biology of Bee-Eaters in Thailand". The Wilson Bulletin. 114 (2): 275. doi:10.1676/0043-5643(2002)114[0275:SABBOB]2.0.CO;2. ISSN 0043-5643. S2CID 86185603.
  10. ^ Siefferman, Lynn; Wang, Yuan-Jyun; Wang, Yi-Ping; Yuan, Hsiao-Wei (2007). "Sexual Dichromatism, Dimorphism, and Condition-Dependent Coloration in Blue-Tailed Bee-Eaters". The Condor. 109 (3): 577–584. doi:10.1093/condor/109.3.577.
  11. ^ Marks, Ben D.; Weckstein, Jason D.; Moyle, Robert G. (2007). "Molecular phylogenetics of the bee-eaters (Aves: Meropidae) based on nuclear and mitochondrial DNA sequence data". Molecular Phylogenetics and Evolution. 45 (1): 23–32. Bibcode:2007MolPE..45...23M. doi:10.1016/j.ympev.2007.07.004. PMID 17716922.
  12. ^ a b Peters, James Lee (1945). Check-list of birds of the World. Volume 5. Harvard University Press. p. 235.
  13. ^ Valera, Francisco; Gómez-Moracho, Tamara; Yuan, Hsiao-Wei; Muñoz, Irene; de la Rúa, Pilar; Martín-Hernández, Raquel; Chen, Ying-Lan; Higes, Mariano (2017). "Any role for the dissemination of Nosema spores by the blue-tailed bee-eater Merops philippinus?". Journal of Apicultural Research. 56 (3): 262–269. Bibcode:2017JApiR..56..262V. doi:10.1080/00218839.2017.1306375. S2CID 90089790.
  14. ^ Williams, N. Sandra (1981). "The Brueelia (Mallophaga: Philopteridae) of the Meropidae (Aves: Coraciiformes)". Journal of the Kansas Entomological Society. 54 (3): 510–518. JSTOR 25084186.
  15. ^ Neelakantan, K. K. (1948). "On the breeding of the Blue-tailed Bee-eater (Merops superciliosus javanicus) in Rajahmundri, East Godavari district". Journal of the Bombay Natural History Society. 47: 741–742.
  16. ^ Norris, C. E. (1963). "The Bluetailed Bee-eater Merops philippinus Linnaeus, nesting in Ceylon". Journal of the Bombay Natural History Society. 60: 259.
  17. ^ DeCandido, Robert; Nualsri, Chukiat; Allen, Deborah (2010). "Mass northbound migration of Blue-tailed Merops philippinus and Blue-throated M. viridis Bee-eaters in southern Thailand, spring 2007–2008" (PDF). Forktail. 26: 42–48.
  18. ^ DeCandido, Robert; Allen, Deborah; Yosef, Reuven (2004). "Merops Migration at Tanjung Tuan, Malaysia: An Important Spring Bee-eater Migration Watchsite in South-east Asia". J. Yamashina Inst. Ornithol. 36: 15–21. doi:10.3312/jyio.36.15.
  19. ^ Nisbet, I.C.T. (2013). "Seasonal occurrence, migrations and habitat relationships of blue-tailed and blue-throated bee-eaters Merops philippinus and M. viridis in Peninsular Malaysia" (PDF). The Raffles Bulletin of Zoology. 29: 219–223.
  20. ^ Dharmakumarsinhji, K. S. (1958). "Bluetailed Bee-eater Merops philippinus Linnaeus in western Saurashtra". Journal of the Bombay Natural History Society. 55: 351–352.
  21. ^ Gosavi, P.; Mannar, H.; Sumesh, P. B.; Vinay, K. L.; Saleem, M. (2019). "Status of Blue-cheeked Bee-eater Merops persicus in south-western India" (PDF). Indian Birds. 15 (4): 117–119.

Further reading

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