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How Bird Lovers Push Species to the Brink of Extinction

Posted by Richard Conniff on May 2, 2015

The bird market in Yogyakarta, Java, Indonesia. (Photo: Megan Ahrens/Getty Images)

The bird market in Yogyakarta, Java, Indonesia. (Photo: Megan Ahrens/Getty Images)

It’s sometimes said that we are loving nature to death—with our sightseeing traffic jams to gawk at bison loitering in Yellowstone National Park, and our safari vehicles huddled together to watch lions yawn in the Masai Mara.  But few people take their affection for nature to such a destructive extreme as the bird lovers of Indonesia and Malaysia.

Roughly 35 percent of homes in that Southeast Asian region keep birds as pets. People love the sound of their singing and build them elaborately carved mahogany cages. But they prefer the birds to be wild caught, and the more unusual the better. The result, according to a new study in the journal Biological Conservation, is that wild bird populations are being drastically reduced, and some species are probably being driven into extinction.

The region is already notorious for hacking down huge swaths of old-growth forest for lumber, or to make room for palm oil and rubber plantations. But the pet trade seems to be almost as destructive to bird life, finishing off what deforestation has merely begun. Even birds that might have survived in secondary forests or on agricultural lands are vanishing.

Princeton University’s Bert Harris, lead author of the new study, focused on bird markets in Medan, Sumatra, “one of the primary hubs of the Asian wildlife trade,” with more than 200 bird species typically for sale. In a region with almost no field studies to monitor bird populations in the wild, Harris and his coauthors theorized that recording price and volume for different bird species in the marketplace could serve as a quick-and-dirty tool for detecting population trends in the wild.

It worked. By comparing current market data with a historical sample from 1987, the study identified species that were increasing in price while decreasing in volume as the most acutely threatened—and the bigger the price increase, the worse the threat. It’s basic economics that scarcity tends to drive up the price for anything in high demand. And in some cases, the threat to a species was also already well known. The straw-headed bulbul, for instance, is now extinct in Java, and probably in Sumatra too, and it’s on the endangered species Red List maintained by the International Union for Conservation of Nature.

But until the marketplace said so, the IUCN didn’t know that the white-rumped shama was in equally bad shape.  “And that is entirely due to trapping,” said Harris, “because it’s not an old-growth bird.” In fact, seven of the nine severely declining species are found in degraded forests and agricultural areas, when they can be found at all. That means they might have survived the current deforestation were it not for the pet trade. The marketplace also revealed that bird lovers were willing to pay more for shamas from small offshore islands near Sumatra, because they tend to be distinguished by different features, such as length of the tail or manner of singing. Some researchers think these island varieties may be separate species. But the pet trade may wipe them out before anybody knows for sure.

For his study, Harris wanted to compare a forest without bird traps with one that has traps, but he couldn’t find any. “There were traps and snares everywhere, even in national parks,” he said. The main technique is to make cages by hand out of bamboo, with a decoy bird in the bottom and a trap door on top to retain birds attracted by the decoy’s call. “The other method is to put bird lime—sticky goo from the latex of different forest species—on branches nearby,” Harris said. Sometimes an entire flock of the Sumatran laughing thrush or some other species would come over to investigate and be stuck there in a row, to be picked off one by one like items from the shelf at the grocery store.

At the bird markets in Medan, different species may sell for as little as 10 cents each to as much as $20,000. The expensive ones often go into singing competitions. But Harris, who attended one such competition, said it consisted of 30 caged shamas under a roof with their owners crowded behind a fence “calling out to their birds, or whistling to them, or yelling at them.” Harris couldn’t tell one bird from another by its song. “Whichever bird puffs its chest out the most and dances around wins.”

Religion also drives the trade. One of the ways Buddhists gain spiritual merit is by ritually freeing birds from their cages. But to supply this market, someone has to catch the birds and get them into cages in the first place. Because the birds are generally released in cities, far away from their native habitat, almost all of them die.

Harris noted that conservationists and ornithologists have not taken advantage of marketplace trends in the past in part because it so depressing. “People don’t want to go work in these smelly markets,” he said. “People want to go into the rainforest and count birds.” The marketplace exposes them instead to birds crammed into filthy cages, often with dead birds left to rot on the bottom. Birds that are not suited to caged life, including pittas, woodpeckers, and kingfishers, are often among the merchandise, and it can be heartbreaking for a bird lover to see.

But the new study found that sending a team of four Indonesian birders into the forest to conduct a proper survey over a six-week period cost $3,097. To get the same sort of information from the marketplace, it was necessary to send just one person out on four visits to record prices and species, at a cost of $131. With money for conservation almost nonexistent in Indonesia, that makes marketplace data an irresistible tool for understanding the pet trade and ultimately steering it toward captive-bred birds.

Harris said Indonesia is unlikely to take action to stop the trapping anytime soon. “It doesn’t seem to be a high priority. Indonesia has a lot of problems to deal with,” he said. But the Wildlife Crimes Unit there has recently taken significant action against traffickers, including a sting that broke up a gang of tiger poachers. So there is hope. Bird lovers can push for more of that kind of news by supporting conservation groups that are active in the region, particularly the Wildlife Conservation Society and the World Wildlife Fund.

3 Responses to “How Bird Lovers Push Species to the Brink of Extinction”

  1. […] month or two back, I wrote about the devastating effects of the reliance on tropical birds for singing contests in Indonesia.  Today The New York Times […]

  2. Some surprisingly good news on this issue out of Indonesia:

    NEW YORK (August 31, 2015) – Forest Rangers from Gunung Leuser National Park and WCS– Indonesia Program’s SMART (Spatial Management and Reporting Tool) Patrol Unit announced the arrest of six bird poachers in Tegapan Village in Gunung Leuser National Park (GLNP), Stabat Area, Sumatera, in Indonesia.

    Evidence seized in the arrest consisted of lesser green, greater green, and blue-winged leafbirds, along with bird netting and bird decoy equipment. A total of twenty-five birds was confiscated.

    Arrests were made in two different locations in Tegapan Village. One group of poachers was arrested in possession of 9 of the birds, 19 jurung fish (also illegal to take from the protected area), bird hunting decoy equipment, two bird nets, and food supplies for approximately one week. A second group of poachers was arrested in possession of 16 leaf birds, bird hunting decoy equipment, three cell phones, and seven bird nets.

    The suspects will be charged under Indonesian law and face a maximum of one year imprisonment and a fine of USD $3,600. The law states that it is illegal to take or capture any vegetation and wildlife from a National Park without permission.

    Leafbirds are brightly colored medium-sized birds sought after as pets for their appearance, singing and ability to mimic sounds. Poachers collect the birds to supply the illegal trade.

    “To preserve GLNP, we have to protect the forest from destructive practices,” said Andi Basrul, Head of GLNP. “To that end, we will take firm action against wildlife poachers that are harming the park’s ecosystem.”

    GLNP is fortifying its protection efforts by establishing more patrol units and increased patrol frequency. In addition, data management through SMART will enhance safeguarding efforts by identifying poaching-prone areas and forest encroachment activities.

    Noviar Andayani, Director of WCS’s Indonesia Program (WCS-IP) said: “We appreciate the firm action taken by the forest rangers to save the GLNP ecosystem—a site that is included by the World Heritage Committee on the List of World Heritage Sites in danger. This arrest shows how important patrol activity is to securing national park protection. Safeguarding the forest is critical to conserving Indonesian biodiversity and WCS is glad to assist.”

    Located in Sumatera (Aceh and North Sumatera Provinces), GNLP is considered highly valuable for its high biodiversity, and being the last refuge for many threatened species. Besides its status as national park conservation forest, GNLP is a Biosphere Site established by MAB – UNESCO, and is an ASEAN Heritage Park (AHP) established by the ASEAN Conservation for Biodiversity (ACB). In addition, it is a Tropical Rainforest Heritage of Sumatera (TRHS) – a status it holds along with Kerinci Seblat National Park and Bukit Barisan Selatan National Park.

  3. Reblogged this on Wolf's Birding and Bonsai Blog.

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