Refuse and Resource

Yellow Spined Bamboo Locust
Photo: tupian.baike.com

One animal’s refuse is another animal’s resource. The yellow-spined bamboo locust, Ceracris kiangsu, has been observed drinking from puddles of human urine. Human urine contains nitrogen waste in the form of urea and excess salts. The locusts drink the urine to obtain nitrogen and salt. However, the locusts are unable to use urea as a source and urea is repellent. Why do the locusts drink urine?

When the urine is heated by sunlight on hot…

Source: Living With Insects Blog

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