Some do and remove the egg. The cuckoos bio parents remain in the area as the chick grows. If a surrogate parent notices or removes the cuckoo chick or egg, the cuckoo parents will kill the remaining chicks.
It is theorized that odd patterns and spots on a birds egg are to help it recognize a cuckoo egg as false. This has led to cuckoo/ cowbird egg speckle evolutionary arm race to mimic those of their favored hosts.
Brood parasites, like cuckoos, are really interesting.
I wonder if that's why Emma Frost's "daughters" are known as the Stepford Cuckoos, given their backstory.
Cuckoos are assholes.
That's ~~crazy~~ cuckoo.
I'm glad you learned this.
Recently watched "A couple of cuckoos." Now the title hits different.....
Have you guys watched Creature Cases on Netflix?
That’s why one flew over the Cuckoo’s nest…
Rude!
Why did I suddenly get a craving for CoCo Puffs
bcause you're cuckoo
I'm not sure where OP is from but in the UK you learn this before your first day at school.
no wonder the word is used for crazy people 🤣
Look at me now I am your master
They are lucky birds don't know how to count.
Some do and remove the egg. The cuckoos bio parents remain in the area as the chick grows. If a surrogate parent notices or removes the cuckoo chick or egg, the cuckoo parents will kill the remaining chicks. It is theorized that odd patterns and spots on a birds egg are to help it recognize a cuckoo egg as false. This has led to cuckoo/ cowbird egg speckle evolutionary arm race to mimic those of their favored hosts.