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why is this bird feeding goldfish

Why is This Bird Feeding Goldfish?

I was so amazed with this story Posted by National Geographic 

Why I was amazed on this? This is very unique since the bird make friends with the fish unlike my case where the bird king fisher

The king fisher bird always attach and eat my koi fish

Watch the video and read the whole story below

Aug. 8, 2017 A few year ago, a birdwatcher i rural illinois noticed a cardinal behavig strangely in her garden.

It seemed to be feeding her goldfish. As many as six times in a single day, the bird would return to the pond where the fish would great it with open mounths.

The bird would apparently feed them seeds and other food, as if they were chicks in a nest. In fact, the fishes’ mouths may have looked just enough like thousse of baby birds that aa parental instick kicked in Credit:cleandldy via Storyful

Bird Filmed Feeding Goldfish—Here’s Why
Are birds that feed fish good Samaritans or just confused? Experts weigh in.

First it was the hawklet adopted by bald eagles. Then it was the lioness nursing the leopard cub. And now in the latest example of interspecies care, there’s video of a cardinal feeding goldfish.

Originally posted on YouTube in 2010, the footage shows the red bird hopping alongside a goldfish pond, then dropping what appears to be seeds into their waiting mouths.

According to the caption with the video, the cardinal would come back to the pond as many as six times a day to feed the fish. (Explore National Geographic’s backyard bird identifier.)

Why would a bird feed an entirely different species? Princeton biologist Christina Riehl has a few ideas.

“My best guess is that the appearance of the goldfish’s open mouth at the surface of the water is just similar enough in size and shape to the open mouth of a baby bird that it triggers the instinct in the adult bird to provide food to it,” says Riehl.

Nestlings tend to have vibrantly colored mouths, often bright red and yellow. This acts like a bull’s-eye for the parents—a visual cue that says “Feed me here!”

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“It’s an amazing demonstration of how simple stimuli can trigger very hardwired behaviors, even in situations that seem obviously wrong to us,” she says.

HAPPY FOR THE HANDOUTS
While the confused cardinal may make for an amusing video, “a cardinal feeding goldfish is certainly wasting its time, biologically speaking,” says Riehl. “Especially if the cardinal is feeding goldfish instead of feeding its own young.”

But from the fish’s perspective, it’s probably happy to accept a free meal, says Kevin Roche, a biologist at the Czech Academy of Sciences.

Roche says that carp—the fish family to which goldfish belong—are intelligent, and can remember areas where food is abundant or regularly provided. (Read about a three-pound goldfish caught in Detroit.)

While they may look dopey gulping at the surface of the water, it has a purpose: To suck down insects and other prey as well as acquire more oxygen.

The cardinal-feeding-goldfish video is not the first record of this kind of behavior.

Robert Mulvihill, an ornithologist at the National Aviary in Pittsburgh, Pennsylvania, says that the LIFE Nature Library books from the 1960s ran a black-and-white photograph of a cardinal feeding a goldfish.

As in the 2010 video, “the explanation, as best I can recall, was that it represented redirected parental feeding behavior, perhaps on the part of a bird that recently had lost its own brood,” says Mulvihill.

DUCK, DUCK, GOLDFISH
Interestingly, there are also clips online that seem to show black swans and a baby duckling “feeding” goldfish. But is it the same behavior? (See a picture of a see-through goldfish.)

WHY IS THIS SWAN FEEDING KOI?
Riehl isn’t so sure. She says that newborn cardinal chicks are altricial, which means they’re naked, blind, and reliant on their parents for everything.

But most waterfowl young are precocial, which means they’re fluffy, open-eyed, and capable of leaving the nest soon after hatching.

So, in theory, waterfowl shouldn’t react to a begging mouth the same way the cardinal does.

J. Dale James, director of conservation science and planning for Ducks Unlimited, seems to agree.

“Both the swans and the duckling look to me to be in a captive type of environment,” says James.

“As such, they are probably eating pellet type foods and it’s not unusual that they dip those in water while eating.”

why is this bird feeding goldfish people ask

How long can a goldfish live without eating?
It has been proven that goldfish can take around 8 days to two weeks without food and still be fine. Therefore, you should only ask a friend or a neighbor to feed your goldfish if you are planning to be away for longer than two weeks

Buy koi fish painting

Published by Giovanni Carlo

I am a koi fish keeper and breeder a husband of beautiful wife Maybel and beautiful daughter May Carl I have been in fish keeping hobby for over 35 years. Like many kids in the 80's We catch fish in the rivers and canals and kept it in the "pasong" local visayan name for pond. or a large mayo bottle since We don't have aquariums yet on that time. decades later their is a small petshop open in my place and that starts me from buying aquarium and fishes that are sold in the pet store decades later start growing goldfish and koi fish until today.

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1 Comment

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