Silvery Pigeon Columba argentina
Silvery Pigeon Columba argentina
Critically Endangered
Location: Indonesia (Riau Archipelago, Bangka-Belitung Islands, Mentawai Islands, and Sumatra) and Malaysia (offshore islands of Borneo)
The silvery pigeon (Columba argentina) is one of Southeast Asia’s most enigmatic birds. Once widespread throughout Indonesia and Malaysia, they have been marginalised to far-flung islands where they are sadly disappearing and are now Critically Endangered. These shy birds are known for their elegant, silvery-grey plumage, vivid red eyes, and black-tipped wings.
With an estimated population of fewer than 50 mature individuals, their survival is hanging in the balance and they are almost gone permanently. Deforestation, particularly for palm oil plantations, has decimated their mangrove and coastal forest habitats. Additionally, illegal poaching and invasive species have driven their numbers to critical lows. Protecting their fragile existence requires immediate conservation efforts. Fight for their survival every time you shop by boycotting palm oil! #BoycottPalmOil #Boycott4Wildlife
Once well-known and widespread, only a handful of elegant Silvery #Pigeons 🕊️🩶remain on far-flung islands of #Indonesia 🇮🇩 and #Malaysia 🇲🇾. #Palmoil and illegal #wildlife trade are big threats. #BoycottPalmOil #Boycott4Wildlife 🌴🔥💀🙊⛔️ @palmoildetect https://palmoildetectives.com/2021/01/25/silvery-pigeon-columba-argentina/
Share to BlueSky Share to TwitterEnigmatic and beautiful Silvery #Pigeons 🕊️🌱🩶 have a soothing call and vivid red eyes 😻👀. Living in #Indonesia 🇮🇩 and #Malaysia 🇲🇾 they’re critically #endangered from #palmoil and may disappear #BoycottPalmOil 🌴🪔🚫 #Boycott4Wildlife @palmoildetect https://palmoildetectives.com/2021/01/25/silvery-pigeon-columba-argentina/
Share to BlueSky Share to TwitterFurther mining is planned on Simeulue, as are large-scale oil palm plantations (Eaton 2011), which could result in extensive habitat loss, although the island currently remains heavily forested (Eaton and Rossouw 2011).
IUCN Red List
Appearance and Behaviour
Silvery pigeons are medium-sized birds, measuring about 38 cm in length. Their feathers are a pale, lustrous silvery-grey with striking black-tipped wings. They have vivid red legs and a slender black tail. Their pale yellow eyes, surrounded by a light grey eye ring, add to their striking appearance.
Typically shy and reclusive, these pigeons are rarely seen, even in their preferred habitats of mangroves and coastal forests. They are thought to feed on fruits, seeds, and possibly invertebrates, though direct observations of their behaviour remain scarce. Their secretive nature and low population make them one of the least studied pigeon species in the world.
Threats
IUCN Status: Critically Endangered
- Palm Oil Deforestation: The conversion of mangrove and coastal forest habitats into palm oil plantations has been catastrophic for silvery pigeons. Many of their nesting and feeding grounds in Sumatra and the Riau Archipelago have been cleared for palm oil monoculture.
- Urbanisation and logging: This further exacerbates habitat loss, particularly in the Bangka-Belitung Islands and offshore Borneo.
- Illegal Wildlife Trade: The silvery pigeon has been documented in the illegal pet trade. Researchers have uncovered online markets selling these rare birds, which significantly hampers conservation efforts.
- Invasive Species: Introduced predators such as rats and snakes prey on silvery pigeon eggs and chicks, further threatening their already fragile population.
- Climate Change: Rising sea levels and increasingly severe storms pose significant risks to the small, low-lying islands these pigeons inhabit, particularly the Riau Archipelago and Bangka-Belitung Islands.
- Geographic Range: Silvery pigeons were once more widespread across the coastal regions of Indonesia and Malaysia. Today, they are restricted to a few isolated locations: Indonesia: Riau Archipelago, Bangka-Belitung Islands, Mentawai Islands, and parts of Sumatra. Malaysia: Offshore islands of Borneo
The species was rediscovered in 2008 on the remote Riau Archipelago after being presumed extinct. Recent sightings have been recorded in the Bangka-Belitung Islands and offshore Borneo, though these populations remain precariously small.
Diet
Silvery pigeons are frugivores, primarily feeding on fruits and seeds found in mangroves and coastal forests. They play an essential ecological role as seed dispersers, contributing to forest regeneration.
However, habitat destruction from palm oil plantations has significantly reduced their food sources. The loss of mangroves and other coastal vegetation also limits the availability of nesting and foraging sites.
Reproduction and Mating
The silvery pigeon’s reproductive habits remain poorly understood. Recent studies describe their chicks as covered in pale down, with nests typically located in dense mangroves or remote coastal forests.
Clutch size is believed to be small, with females likely laying only one or two eggs per breeding season. The vulnerability of these nesting sites to predation and human activity makes successful reproduction increasingly rare.
Take Action!
The silvery pigeon’s survival depends on protecting their mangrove and coastal forest habitats. Boycott palm oil and support conservation organisations working to preserve these ecosystems. Raise awareness about the impact of habitat destruction and the illegal wildlife trade on this critically endangered species. #BoycottPalmOil #Boycott4Wildlife
Further Information
BirdLife International. 2019. Columba argentina. The IUCN Red List of Threatened Species 2019: e.T22690195A155300126. https://dx.doi.org/10.2305/IUCN.UK.2019-3.RLTS.T22690195A155300126.en. Downloaded on 25 January 2021.
Birds of the World. (2022). Silvery Pigeon. Birds of the World.
Chng, S. C. L., & Eaton, J. A. (2022). Novel ecological information for Silvery Pigeon (Columba argentina): First description of the chick. Avian Research, 13(1), 1-9.
Mongabay. (2022). Online trade in rare Silvery Pigeon is cause for concern, researchers say. Mongabay.
Wikipedia. (2022). Silvery Pigeon. Wikipedia.
Silvery Pigeon Columba argentina
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