At first, you might think the weirdest thing about this little caterpillar is its body—long and skinny, with a patch of legs at the front and a patch at the back, it does a lot of rearing up and strategically falling onto things. That last bit becomes important later.
See, this little Hawaiian caterpillar is a killer.
The Carnivorous Caterpillar is a product of island evolution, which is, itself, a pretty weird phenomenon. For instance, a study published in PLoS Biology in October of 2006 found that mammal populations on islands can change their physical appearance and structure at a rate as much as 3.1 times greater than that of mainland mammals.
Islands breed both unusual caterpillars and fast-evolving mammals thanks to a combination of isolated populations—through which mutations can more easily spread—fierce competition for limited resources, and the odd interactions that happen between species of plants and animals that are all experiencing the same sort of pressures. After all, the ecological niche—what you eat, where you live, who eats you—a species inhabited on the mainland might not exist the same way on an island. And it's likely to change relatively rapidly, along with resources and the spread of useful mutations. Over hundreds or thousands of years, an island species can come to look and act very differently from its mainland cousins.
This video is part of Life Is—A new website that brings together tons of clips from BBC nature documentaries and arranges them in a procrastination-friendly browsing menu. You can search for videos by climate, geography, even predominant color scheme—so a passing fancy for a carnivorous caterpillar could lead you to pig-nosed turtles, Chinese rice fields and whistling rats.
I can’t believe I have to write this, but maybe jamming other people’s shit up your ass isn’t a great idea. When done by medical professions, under very specific circumstances, a fecal transplant can mean the difference between life and death: implanting feces containing healthy gut microbiome into a patient’s body has been used by […]
Good news! This week, folks living in as far north as Michigan may get treated to a stunning light show as Auroras will be shining brighter and further away from the planet’s axis than usual. What a rare treat! The bad news: the same phenomenon that causes the Northern Lights to do their thing could […]
In 1990, once NASA’s twin Voyager probes had completed their grand tour of the solar system, it came time to shut off their cameras to preserve power and memory for the other scientific instruments onboard. But before that happened, there was one last photo opportunity not to be missed. Carl Sagan, a member of the […]
Trains may not be the most popular means of conveyance nowadays, but chances are you grew up playing with toy trains or building a model set to wrap around the Christmas tree. In either case, it’s safe to say that locomotives have long carried a unique sense of awe and scale, especially when they’re hundreds […]
When it comes to redesigning or renovating a living space, envisioning changes before they occur can be tricky for most. Thankfully, the web is home to tools that can remove some of the guesswork, like Live Home 3D Pro for Mac. This app lets you create detailed and furnished floor plans for everything from sheds and […]
For many startups and fledgling businesses, web hosting — and the fees associated with it — can take a sizeable chunk out of the company budget and limit growth down the road. But, that’s not to say there aren’t hosts out there who can get your site online while staying within your budget. Arch Hosting is a […]