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Senin, 19 Desember 2011

Cannibalism on Polar Bear is increased

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In addition to prey on seals, polar bears are also occasionally prey species or their own children. The behavior was not encountered before. However, based on the latest reports Jenny Ross, a photographer, in the journal Arctic this month, the behavior is more often encountered.

Why? Ross explained that during the polar climate warms, some melting ice in the Svalbard archipelago and broken. For polar bears, as it is now difficult because it is difficult for them to hunt seals.

"So, then, the young polar bear is a possible food source for adult polar bear. As the climate continues to warm in the Arctic and the ice melts earlier in the summer, the frequency of predation in one species increases," explained Ross as quoted by the Daily Mail, Thursday (08/12/2011).

Ross added that the polar bear began to look for other food alternatives. "On land, polar bears find garbage and human food. They also began eating seabirds and their eggs. None of the alternatives that could support them," he said.

One moment of a polar bear mother who takes her son immortalized Ross while on an expedition to the archipelago of Svalbard. He saw how the mother polar bear biting puppies with teeth and jaw strength, threw him to the surface of the ice and eventually eat it.

While there are many conditions that accelerate the melting of ice at the poles, such as climate change, polar bears become seriously threatened. Now not just about their adaptability at higher temperatures, but a matter of spurring food crisis cannibalism and could lead to extinction. There should be measures to overcome them.

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Kamis, 17 November 2011

Bulus Raksasa Sering Tampak Saat Bulan Purnama

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Jenis bulus raksasa yang ditemukan di Ciliwung (Chitra chitra javanensis) Jumat (11/11/2011) ternyata punya keunikan selain soal ukurannya yang super besar --yang ditemukan kemarin mencapai ukuran 140 kg.

"Bulus ini sering tampak saat bulan purnama. Jadi kepalanya nyembul di air," ungkap Haji Bombay, warga yang menampung bulus raksasa itu setelah ditemukan, ketika dihubungi Kamis (17/11/2011).

Menurut penuturan warga, tempat bulus tersebut sering menampakkan diri diketahui adalah aliran sungai Ciliwung yang memiliki kedalaman sekitar 10 meter.

Sementara, lokasi spesifik bulus yang masuk Red List International Union for Conservation of Nature (IUCN) itu sering muncul adalah di Kedung Babi, Kedung Raden, Kedung Wuni dan Kedung Kuda.

Pada tahun 1980an, bulus sejenis juga pernah ditemukan di aliran Ciliwung yang berada di Radio Dalam dan Tanjung Priok. Di luar itu, bulus ini juga pernah ditemukan di wilayah Bengawan Solo di Bojonegoro dan di Situbondo.

Pakar herpetologi Lembaga Ilmu Pengetahuan Indonesia (LIPI), Mumpuni, mengatakan bahwa Sungai Ciliwung merupakan salah satu habitat satwa langka ini meski sejauh ini belum diketahui populasinya.

Sementara itu, Kepala Balai Konservasi Sumber Daya Alam Ahmad Saerozi masih mempertanyakan hal itu dan mengatakan bahwa ada kemungkinan bulus raksasa yang ditemukan adalah peliharaan warga yang lepas.

Saat ini, tim BKSDA DKI Jakarta sedang melakukan monitoring di wilayah tempat bulus raksasa itu sering menampakkan diri. Sementara, bulus raksasa yang ditangkap Jumat lalu telah dilepaskan Rabu dini hari (16/11/2011) pukul 02.00 WIB.

SUMBER
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