Pale-billed flowerpecker

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Pale-billed flowerpecker
Pale-billed Flowerpecker (Dicaeum erythrorhynchos) preening in Hyderabad, AP W IMG 7326.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Dicaeidae
Genus: Dicaeum
Species:
D. erythrorhynchos
Binomial name
Dicaeum erythrorhynchos
(Latham, 1790) [2]
DicaeumErythrorhynchosMap.svg

The pale-billed flowerpecker or Tickell's flowerpecker (Dicaeum erythrorhynchos) is a tiny bird that feeds on nectar and berries, found in India, Sri Lanka, Bangladesh and western Myanmar. The bird is common especially in urban gardens with berry bearing trees. They have a rapid chipping call and the pinkish curved beak separates it from other species in the region. [3]

Contents

Description

Feeding on a Muntingia calabura fruit Pale-billed Flowerpecker (Dicaeum erythrorhynchos) with a Muntingia calabura (Singapur cherry) fruit W IMG 8494.jpg
Feeding on a Muntingia calabura fruit

This is a tiny bird, 8 cm long, and is one of the smallest birds occurring in most parts of southern India and Sri Lanka. The bird is plain brownish to olive green. The underside is buff olive and does not contrast greatly with the upperparts and not whitish as in the Nilgiri flowerpecker of the Western Ghats and Nilgiri hills nor is it streaked as in the thick-billed flowerpecker. The Nilgiri flowerpecker has a pale supercilium unlike this species which has no marking on the head. The Sri Lankan race ceylonense Babault, 1920 - is greyer and smaller than the nominate race of peninsular India. [3] It has been considered one of the early flowerpeckers, originating in the Malay Peninsula, to colonize the Indian Subcontinent. [4]

Behaviour and ecology

In forested areas, they often visit the flowers of Loranthus (=Dendrophthoe) and Viscum species, the seeds of which are dispersed mainly by this and other flowerpecker species. [5] The berries of these epiphytic parasites are usually swallowed whole (they sometimes pinch fruits and discard the seeds while feeding on the pulp but this technique is more often used by the syntopic thick-billed flowerpecker) and the seeds are voided after a rapid passage through their gut in about three to four minutes. [6] The voided seed has a sticky coating and the bird applies its vent to the surface of a suitable perch and may turn around so as to get rid of the seed, which then sticks onto the branch where it may subsequently germinate. [7] [8] [9] The flowers of Dendrophthoe falcata are pollinated by this species. The flower bud has a mechanism that causes pollen to explosively spray on the plumage of the visiting bird which nips the tips. [10] [11]

In urban areas, they are particularly attracted to introduced fruit trees such as Muntingia calabura, [12] the fruits of which may be swallowed whole or, in the case of ripe berries, crushed and the pulp accessed using their tongue. They also sip nectar from flowers [13] such as those of Sterculia colorata and Woodfordia floribunda , pollinating them in the process. [14] [15]

Pale-billed Flowerpecker on a Dendrophthoe falcata Pale-billed Flowerpecker by Shagil Kannur 6.jpg
Pale-billed Flowerpecker on a Dendrophthoe falcata

Breeding

Tickell's flowerpeckers breed from February to June. A second brood may be raised in September. The nest is a small pendant purse-like structure made of cobwebs, fibre, moss and down suspended from the tip of a twig high up in a tree. The opening is a slit and a clutch of two or three eggs is laid. [16] [17]

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<i>Dicaeum</i> Genus of birds

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Blue-winged parakeet Species of bird

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The blue-bearded bee-eater is a species of bee-eater found in much of the Indian subcontinent and parts of Southeast Asia. This bee-eater is found in forest clearings. It is found mainly in the Malayan region but extends west into peninsular India. The blue feathers of its throat are elongated and often fluffed giving it its name. They have a loud call but are not as gregarious or active as the smaller bee-eaters, and their square ended tail lacks the typical "wires" made up of the shafts of the longer central tail feathers found in many other bee-eaters.

Painted bush quail Species of bird

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Nilgiri pipit Species of bird

The Nilgiri pipit is a distinctive species of pipit that is endemic to the high altitude hills of southern India. Richer brown in colour than other pipits in the region, it is distinctive in having the streaking on the breast continuing along the flanks. It is non-migratory and has a tendency to fly into low trees when disturbed and is closely related to the tree pipits Anthus hodgsoni and Anthus trivialis.

<i>Loranthus</i> Genus of mistletoes

Loranthus is a genus of parasitic plants that grow on the branches of woody trees. It belongs to the family Loranthaceae, the showy mistletoe family. In most earlier systematic treatments it contains all mistletoe species with bisexual flowers, though some species have reversed to unisexual flowers. Other treatments restrict the genus to a few species. The systematic situation of Loranthus is not entirely clear.

Little spiderhunter Species of bird

The little spiderhunter is a species of long-billed nectar-feeding bird in the family Nectariniidae found in the moist forests of South and Southeast Asia. Unlike typical sunbirds, males and females are very similar in plumage. They are usually seen in ones or twos and frequently make a tzeck call and are most often found near flowering plants, where they obtain nectar.

Fire-breasted flowerpecker Species of bird

The fire-breasted flowerpecker is a species of bird in the family Dicaeidae found in the Indian Subcontinent and Southeast Asia. Like other flowerpeckers, this tiny bird feeds on fruits and plays an important role in the dispersal of fruiting plants. Unlike many other species in the genus, this species has marked sexual dimorphism with the male having contrasting upper and lower parts with a distinctive bright orange breast patch. The female is dull coloured.

<i>Dendrophthoe falcata</i> Species of mistletoe

Dendrophthoe falcata is one of the hemiparasitic plants that belong to the mistletoe family Loranthaceae. It is the most common of all the mistletoes that occur in India. At the moment reports say that it has around 401 plant hosts. The genus Dendrophthoe comprises about 31 species spread across tropical Africa, Asia, and Australia among which 7 species are found in India.

References

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  2. Latham, Index Orn., vol. 1 (1790), p. 299 under Certhia erythrorhynchos
  3. 1 2 Rasmussen, PC & JC Anderton (2005). Birds of South Asia: The Ripley Guide. Vol. 2. Smithsonian Institution and Lynx Edicions. pp. 544–545.
  4. Ripley, S. Dillon (1 June 1949). "Avian Relicts and Double Invasions in Peninsular India and Ceylon". Evolution. 3 (2): 150–159. doi:10.2307/2405549. ISSN   0014-3820. JSTOR   2405549.
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  6. Murphy, S. R.; Nick Reid; Zhaogui Yan & W. N. Venables (1993). "Differential Passage Time of Mistletoe Fruits through the Gut of Honeyeaters and Flowerpeckers: Effects on Seedling Establishment" (PDF). Oecologia. 93 (2): 171–176. doi:10.1007/BF00317667. PMID   28313603.
  7. Ali. S. A. (1931). "The role of the sunbirds and flowerpeckers in the propagation and distribution of the tree parasite Loranthus longiflorus Desr. in the Konkan (W. India)". J. Bombay Nat. Hist. Soc. 35: 144–149.
  8. Ali, S. (1932). "Flower-birds and bird-flowers in India". J. Bombay Nat. Hist. Soc. 35: 573–605.
  9. Davidar, P. (1985). "Ecological Interactions between Mistletoes and their Avian pollinators in South India". J. Bombay Nat. Hist. Soc. 82 (1): 45–60.
  10. Karunaichamy, Kstk; Arp, K. Paliwal & P. A (1999). "Biomass and nutrient dynamics of mistletoe (Dendrophthoe falcata) and neem (Azadirachta indica) seedlings". Current Science. 76 (6): 840–843.
  11. Vidal-russell, Romina; Nickrent, Daniel L (2008). "Evolutionary relationships in the showy mistletoe family (Loranthaceae)". Am. J. Bot. 95 (8): 1015–1029. doi:10.3732/ajb.0800085. PMID   21632422.
  12. Shyamal, L. (1994). "The Birds of The Indian Institute of Science Campus: Changes in the avifauna". Newsletter for Birdwatchers . 34 (1): 7–9.
  13. Pittie, Aasheesh (1984). "Tickell's Flowerpecker (Dicaeum erythrorhynchos) sipping nectar from Loranthus (Loranthus longiflorus) flowers - an observation". Mayura. 5 (3): 64–65.
  14. Solomon Raju, AJ; S Purnachandra Rao; V Ezradanam (2004). "Bird-pollination in Sterculia colorata Roxb. (Sterculiaceae), a rare tree species in the Eastern Ghats of Visakhapatnam and East Godavari Districts of Andhra Pradesh" (PDF). Current Science. 87 (1): 28–31.
  15. Raju, AJS (2005). "Passerine bird pollination and seed dispersal in Woodfordia floribunda Salisb. (Lythraceae), a common low altitude woody shrub in the Eastern Ghats forests of India". Ornithol. Sci. 4 (2): 103–108. doi:10.2326/osj.4.103. Archived from the original (PDF) on 2009-04-12.
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