WTF Fun Fact 13111 – The Most Common Wild Bird

You may see sparrows, cardinals, and pigeons non-stop. But the most common wild bird in the world actually lives in Africa. Now, it won’t be common for all of us to see, but it’s the most abundant wild bird, meaning there are more of these birds than any other birds.

What is the most common wild bird?

The most common wild bird in the world, in terms of its sheer abundance, is the Red-billed Quelea.

These birds live in sub-Saharan Africa (south of the Sarahan Desert). And they don’t just fly in flocks, they fly in massive hordes. In fact, if you see a group of these birds, you’re probably looking at 2 million or more in one flock.

According to the Audobon Society (cited below): “They fly in such tightly synchronized masses they can be mistaken at a distance for clouds of smoke.”

How many Red-billed Quelea are there?

It’s estimated that there are around 1.5 billion Red-billed Quelea out there. That makes them the most abundant wild bird in the world. Of course, they’re not common in North America, but if you took all the birds in the world and put them together, the number of Red-billed Quelea would dwarf the populations of most other wild birds.

The Red-billed Quelea is the size of a sparrow and is brown for the most part. Like most birds, the males are more colorful. They often have red and black feathers on their heads.

These birds eat seeds, which they crack open with their beaks. But unfortunately for farmers, they are drawn to crops like millet. And as you can imagine, having 2 million birds descend on your field for a meal can easily strip you of your income.

At times, “Single colonies can cover hundreds of acres, totaling tens of millions of birds,” according to Audobon.

Unfortunately, their tastes include cultivated crops, like millet. But the enormous growth of cereal crops in sub-Saharan Africa has likely led to the birds’ proliferation.  WTF fun facts

Source: “What Is the Most Abundant Wild Bird in the World?” — Audobon Society

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WTF Fun Fact 12612 – The Cowbird’s Secret Password

Cowbirds (Molothrus ater) have an interesting way of parenting.

Females (known as “brood parasites”) use all their energy to produce eggs and can even lay around three dozen each summer. It seems like a lot of babies, right? But they’d never know because they abandon them all to whatever feathery foster parents they can find. They lay their eggs in the nest of other birds and expect those birds to raise their young. They’ll even lay their eggs in a nest with other chicks already in it and expect the resident birds to evict their own young in favor of the newcomers!

Even more interesting is that they don’t choose other cowbirds – the babies are raised by completely different species of birds. There are at least 220 other species of bird that could find cowbird eggs in their nest one day, but individual females tend to choose one species with which to leave all of their eggs.

Cowbirds have been a challenge for scientists to understand because it’s hard to follow and get to know birds that don’t build nests. But we’ve had more luck in recent years as their habitats have become smaller, and they’ve moved closer to humans (although that’s not really a good thing for the birds).

So, you may wonder how cowbirds learn to become cowbirds if they are raised by other species. And that’s where the really interesting fact comes in.

Cowbirds eventually find their own kind and spend the rest of their lives associating with other cowbirds. They reunite with their species as juveniles, even though there’s no reason they should have the skills to recognize that they aren’t like their foster parents. (Bird brains aren’t that big.)

So how do cowbirds come to recognize one another? They have a password or “secret handshake” deal going on. Technically, it’s a very specialized chatter call. No matter their age, they can take to the trees, make their calls, and other cowbirds will come and find them. – WTF fun facts

Source: “Neural basis for parasitic cowbird’s secret password identified by researchers” — Science Daily

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WTF Fun Fact – Feral Cats Can Eat

WTF Fun Fact - Feral Cats Gotta Eat

The feral cat population in Australia was so large that they killed an estimated 75 million native animals every night across Australia, including birds, frogs, mammals, and reptiles. Australian authorities planned to kill 2 million feral cats by 2020. WTF Fun Facts

Source: https://www.peta.org.au/issues/feral-cats/

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