Crows and magpies, known for their intelligence, have shown a remarkable ability to adapt to urban environments in a Dutch study. Researchers from Rotterdam’s Natural History Museum and the Leiden Naturalis Biodiversity Center discovered nests made by these birds in various European locations that were constructed primarily from anti-bird spikes commonly used to deter them from buildings. Biologist Auke-Florian Hiemstra describes these nests as the most extraordinary he has ever seen.
Hiemstra explains that while it may sound like a joke, it is heartwarming to see these birds outsmarting humans by using anti-bird material for their own benefit. This behavior is not entirely surprising, as birds often use thorny branches to protect their young from predators. In fact, there have been reports of nests made from barbed wire as far back as 1933. More recently, birds have been incorporating various items, including nails and drug syringes, into their nests.
A review of studies conducted over the past century reveals that 176 bird species have incorporated human-made substances into their nests. Unfortunately, this can sometimes have dangerous consequences. However, these birds consistently find ways to adapt and thrive in urban environments. Kees Moeliker, head of Rotterdam’s Natural History Museum, praises their intelligence and ability to cope with the challenges of city life.
In conclusion, crows and magpies have demonstrated not only their intelligence but also their resourcefulness in using anti-bird spikes to construct their nests. These findings highlight the incredible adaptability of birds in urban environments.
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