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That cowbird likely didn't survive the attack.

That is mostly false. The cow bird will lay eggs in as many nests as possible. Either they don't remember every nest it used or can't recognize there own chick. Attacking the nests that reject their eggs could either reduce the number of usable nests for them nest season due to the brood loss or could increase the incidents of birds becoming more vigilant about avoiding the cow bird invading the nest to lay the egg in the first place. Some birds once the cow bird egg is identified will build an entire new layer of nesting material moving only their own eggs and leaving the cow bird egg in the lower level where it will not get enough heat for incubation. Birds are evolving to identity the cow bird eggs which sometimes forces the cow bird to try using new bird species for the potential con. This too so.stones has disastrous results for the cow bird chick. House finches are a good example. Either way the cow bird that makes this egg was busted by the host birds and the female bluebird attacked it for 13 min inside the nest box. It was pecked in the head repeatedly, it had a huge raw bald spot on the top and back of head. It was so disoriented it couldn't figure out how to exit the nest box. The fe.ale blue bird wasn't letting up. The owner eventually opened ed the top of the box so it could get out. It is uncertain it she survived the attack. So I am sure it won't be visiting this nest again one way or another

@@shannonspage9360 ruclips.net/video/Hq78EmR-6o0/видео.html

They literally cannot raise their own young, that’s what it means to be an obligate brood parasite It’s a way of reproduction no more evil than any other (you can’t apply human morals to animals)

It's not really stupid...when a mother bird is taking care of a newborn chick a mixture of imprinting, mother instinct and internal biochemical changes occur literally forcing the mother to feed and protect the "genes" - I also believe that most cuckoo's for example are adapted to only use certain species that are easier to trick...

Well, bird brains finally have its meaning.

It’s Ring video camera

Eating.

Cowbirds don't kill their nest mates, they do try to out compete them, but host babies and cowbird babies are often raised side by side.

ahahahah

I only seen one.

Didnt they kill the cowbird parent?

unlikely given how injured that cowbird is at the end.

In a different vid, the mother blue bird wrecked the cowbird, it won't come back any time soon

Pretty sure that bluebird’s beak made contact with the cowbird’s skull. The bluebirds kept pinning her down into the nest, pecking her head, viciously ripping out her feathers and both the male and female bluebird seemed determined to kill her.

I find it unlikely that the cowbird parent returns to destroy and attack the parent birds and nestlings. It runs the risk of becoming injured in the altercation with no benefit in doing so. Some birds will also build a new layer of nest just over the cowbird egg keep it from getting warmth with kills it or drastically delays the hatching.

How?

@@jackrotz2139 That bluebird had probably done the same thing to a lot of insects nests but in the end it happened to it too, you kill today to die tomorrow, the circle of life.

@@dantespardason7508 ummmm k, the circle of life, sure, karma ummm not really. Like if the blue bird ate some baby snakes or destroyed the snakes eggs or something then sure, that'd be considered karma but all it did was get eating by a snake. I mean I don't think karma could really exist in the animal world cause they're just doing what instinct tells them and its more of a human thing where you do some Fd up stuff to someone and it comes back to you. Ykno Now hadda been a cowbird the snake ate, I'd probably accept that cause cowbirds are bastards, and who really gives a damn about insects anyway?

How come...cowbird invade nest destroy original egg and put theirs...how come blue birds is to blame??? Wtf?

NO not at all, them bluebirds were in the right to kick the shit outta that cowbird, cowbirds are bastards and had they let him live, the bluebirds babies would've either been starved out by the cowbirds nestjacking offspring or the nestling would've been killed in retaliation cause them bluebirds weren't no fools

@@annelentur watch the other video and you'll understand.

Great to see the egg met the same fate as the mother, in this case the parents fought back and killed both by beating one to death, and throwing out the other. Their fates are well deserved.

👏

You would’ve loved to see this bird fucked up the mama cuckoo bird until it’s head was all bloody and almost falling off. Was very gruesome but also satisfying the bluebird totally dominated the cockoo bird almost killing it. I’m sure it did die but the video they posted didn’t show it to the end

How?

Yiu mean they are awful.

@@yuegonghuamei6685 if you really knew how evil the cowbirds are, you wouldn't have made such comment..

@@rigopogr2113 sorry, i mean cowbirds are awful and bluebirds are awsome fight back. Hihihih.

@@yuegonghuamei6685 XD

Bluebirds ARE awesome. Now, if only they could aim. :P

If the mother of the cowbird realizes they terrorize and kill the hosts eggs, sometimes though.

1. It's nature. 2. Cow birds are a protected species in north America. If someone took the egg out, they'd be looking at a $50,000 fine.

@@travispaskiewicz2663 I mean it's nature to let the blue birds kills the cowbird and either way the egg will be destroyed if not by the man then the blue birds.

@@PBandShayne Yes, this time the Blue Bird identified the parasite egg, but this doesn't always happen. And that's kind of the allure of nature films; we get to see this sort of life and death struggle between creatures. Sometimes the host identifies the parasite and destroys it. Sometimes the parasite fools the host at the expense of the hosts and it's young. But I'm just saying, from a legal and ecological stand point, do not interfere. Both species are protected in America and Canada, meaning you will catch massive fines if caught. So definitely don't do it and post video evidence. But also, don't do it because both organisms should have an equal and un-impeded chance of survival in thier natural habitat. This is nature, it can be savage by human morality, but it's how these organisms survive and evolve. Especially with shrinking habitats, even small scale interferences can have big impacts on local populations.

@@leahpetit-do5389 In this case, it's unlikely. This host specifically has already seriously injured the cowbird who laid this egg. So the likelyhood of her being able to enact retribution is fairly low. With the damage done to her head, I'm not even sure she survived that fight in the long term.