Sunday, August 1, 2010

Akibat Musim Dingin Yang Memburuk di Inggris, Separuh Populasi Burung Musnah


www.AstroDigi.com

TEMPOInteraktif.com | Kamis, 17 Juni 2010 | Musim dingin yang semakin buruk selama 30 tahun terakhir membuat separuh populasi burung Goldcrest di Inggris punah.

Kendati burung adalah binatang berdarah panas, para peneliti dari The British Trust for Ornithology menyatakan burung-burung kecil itu tak dapat mengatasi dingin yang berkepanjangan yang melanda negara-negara di wilayah Eropa.

"Kini jumlahnya tinggal 2 juta ekor di Inggris," kata Tim Harrison, dari The British Trust for Ornithology. Sejak 1980-an, jumlah burung ini berkurang 15 persen setiap tahun.

Menurut survey Birdwatch, tak hanya Goldcrest yang bernasib buruk saat musim dingin. Burung kecil yang ukurannya seperti burung gereja juga berkurang populasinya, yakni jenis Wren dan Treecreeper.

Musnahnya populasi burung-burung bertubuh kecil ini karena kurangnya pasokan makanan. Untuk menjaga suhu tubuh, burung tersebut biasanya memakan serangga yang hidup di pepohonan.

www.AstroDigi.com (Nino Guevara Ruwano)

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