344K views · 1.8K reactions | Brood parasitism (or egg dumping) is a reproductive strategy where a female bird lays its eggs in the nest of another bird, leaving the host to incubate and raise the chicks. This benefits the parasitic bird by avoiding the energy costs of parenting. It can occur within the same species or across different species, with well-known examples including cuckoos and cowbirds. | Hashem Al-Ghaili | Facebook

12K views · 32 reactions | The survival strategy of the large cuckoo: brood parasitism.A common cuckoo chick is feeding by reed warbler adult.#commoncuckoo #birds | Birds of nature | Facebook

7.1K views · 111 reactions | After 17 years, the Brood X cicadas are back. Here's why. | Princeton University | Facebook

9.3K views · 74 reactions | BROOD X! 者 Brood X cicadas have come out of hibernation, emerging from the ground for the first time in 17 years across the eastern United States. Footage shared by Gifford Pinchot State Park in Lewisberry, Pennsylvania, shows cicadas covering a tree and husks littering the ground. Have you seen the cicadas yet? https://7ny.tv/3yAVY6H | ABC7NY | Facebook

Brood X cicadas emerged from hibernation for the first time in 17 years, crowding on the ground and climbing trees in Silver Spring, Maryland. https://abcn.ws/3u5IyfE | ABC News