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Cuckoo's Summer Song: A Tale of Deception
15 May
Summary
- Cuckoos arrive at Murlough Nature Reserve, signaling summer's start.
- Female cuckoos are brood parasites, laying eggs in other birds' nests.
- Cuckoo chicks eject their nest mates to be solely raised by foster parents.
The arrival of the cuckoo signals the start of summer at Murlough Nature Reserve in County Down. These birds are renowned for their extraordinary breeding method, a strategy of parental selfishness that can be highly productive.
Female cuckoos act as brood parasites, meticulously laying up to 20 eggs, one in each host nest within their territory. These hosts are often small passerines, such as meadow pipits. The deception is complete when the cuckoo chick hatches and ejects its own siblings from the nest.
This ensures the foster parents dedicate all their resources to raising the single, oversized cuckoo chick. Meanwhile, the biological parents abandon their offspring and return to Africa, leaving nature's cycle to unfold.
