Sinek Kuşunun Beslenmesi ve Metabolizması

Sinek kuşu daha önce de söylediğimiz gibi çoğunlukla çiçek nektarlarından beslenmektedir. Ancak bazı durumlarda böcek yedikleri de görülmüştür. Sinek kuşunun dikkat çeken bir diğer özelliği de metabolizmasıdır. Yapılan incelemelerde sinek kuşunun uçarken ihtiyacı olan enerji ve vücudunun verdiği tepkiler ölçülmüştür. Bu araştırmaların sonucunda sinek kuşunun kalp atışının dakikada 1260’a çıktığı görülmüştür. Sinek kuşu hızlı hareket etmesi nedeniyle bunu ortaya çıkarmaktadır. Sinek kuşu normal koşullarda ağırlıklarından daha fazla besin tüketirler. Ancak besin bulamadıkları zamanlarda da -özellikle geceleri- metabolizmalarını yavaşlatarak geçici bir kış uykusuna yatabilmektedirler. Bu uyku süresinde vücutları adeta uyuşan bu kuşların kalp atışları dakikada 50 ile 180 arasına düşebilmektedir.

Bunun yanı sıra yine özel yetenekleri sayesinde sinek kuşu rahat bir şekilde geriye doğru uçabilmekte ve dikine hızlı hareket edebilmektedir.

Sinek Kuşu

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Ben Dilara. İstanbul Küçükçekmece'de oturuyorum; Hamdullah Suphi TANRIÖVER İlkokulu 3. sınıfa gidiyorum. Yüzmek, eğlenmek ve arkadaşlarımla vakit geçirmekten hoşlanıyorum. Gelecekte çocuk doktoru olmak istiyorum. Çünkü ben çocukları çok seviyorum. Buradan, bütün arkadaşlarıma başarılar dilerim.

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