Maned Wolf vs Blackfin Icefish vs Honeypot Ant vs Southern Cassowary: A Fox on Stilts That Pees Weed, a Fish With Clear Blood, a Living Honey Balloon, and a Bird That Kicks Like a Velociraptor

Welcome back to the internet's only blog reckless enough to put a fox on stilts, a fish with see-through blood, an ant that volunteered to become a grape, and a bird that can legally be described as a knife with feet into the same ring and demand they explain themselves. Today's lineup is aggressively random and I am not sorry. We have a mammal from the Brazilian grasslands, a fish from water so cold it should not be legal, an insect that reinvented itself as a pantry, and a bird whose entire personality is the phrase "do not approach." I judged all four on the only three metrics that matter here: how cool, how weird, and how gross. Let's ruin some dinner conversations.

The lineup, briefly, before someone gets hurt

Four animals. Four completely different corners of the tree of life. Zero shared hobbies. The maned wolf and the cassowary have never met the icefish and the ant, and after reading this you will understand that this is for everyone's safety.

Cool

Southern cassowary walks in and immediately wins the room. It is a flightless ratite, one of the heaviest birds alive, standing up to about 1.7 m tall, and it is widely called the most dangerous bird in the world. The inner toe on each foot carries a dagger-like claw up to roughly 10 to 12 cm long, and a threatened bird leaps and rakes downward with it. It is, functionally, a velociraptor that survived and now lives in Australian rainforests eating fruit. It is also a keystone seed disperser, so the murder-bird is secretly a gardener.

Maned wolf counters with elegance. It is the tallest wild canid, standing up to around 1 m at the shoulder, with absurd black stocking legs built for peering over tall grass. It looks like a red fox got a bank loan and bought stilts. Despite the name and the look it is neither a true wolf nor a fox; it is the only member of its own genus, Chrysocyon, a species so distinct it refuses to be categorized by vibes alone.

Blackfin icefish brings the coolest trick, literally. It survives in Southern Ocean water hovering near minus 1.8 C by pumping antifreeze glycoproteins through its body that latch onto baby ice crystals and stop them from growing. It is a living organism that decided freezing was optional.

Weird

And here the blackfin icefish takes over completely. It is the only known vertebrate that lives its adult life with no hemoglobin. No red blood cells to speak of, no red pigment, nothing. Its blood is clear. Its gills are creamy white. In most crocodile icefishes the gene for the hemoglobin beta-subunit has been straight up deleted from the genome. To move oxygen around anyway it runs an enormous hypertrophied heart, several times the stroke volume of a normal fish, and carries a huge volume of thin, watery blood. It is a fish that failed the most basic vertebrate exam and just... found another way.

The honeypot ant is weird in a more architectural sense. Certain workers, called repletes, gorge on nectar until their abdomens swell four to five times normal size, ballooning up to grape-sized and going translucent amber. Then they climb to the ceiling of the underground nest, hang there, and become the colony's living pantry. When a nestmate is hungry it strokes the replete's antennae and the replete throws up storage honey on command. This is not a metaphor. The ant is the jar.

Gross

Maned wolf, your table is ready. Its urine is famous for smelling powerfully of skunk, hops, or straight-up cannabis, thanks to a compound called 2,5-dimethylpyrazine that it uses as a chemical keep-out sign. Zoos have genuinely had visitors report a marijuana smell, only for staff to explain that no, that is just the dog's territorial pee. To seal the deal, its favorite food is the tomato-like wolf apple, and it likes to defecate on leafcutter ant nests, which helpfully fertilizes and germinates the seeds. It is a landscaper whose only tools are weed-scented urine and strategic pooping.

The honeypot ant clocks in on the gross scale purely because the payoff to all that living-jar engineering is that people eat them. The swollen repletes of the American Myrmecocystus were a delicacy for Native American peoples, and separate Australian honeypot ants in other genera are an occasional treat for Indigenous Australians. You bite the abdomen, you get a pop of honey. The ant spent its whole life becoming a snack and then delivered.

The cassowary stays mostly clean here, unless you count the part where it can open you up with one kick. We are counting that a little.

So who actually wins

The cassowary is the coolest. The maned wolf is the grossest and smells like a college dorm. The honeypot ant is the most horrifyingly efficient. But you know what they say: you can respect a knife-footed dinosaur bird, but you cannot beat a fish that looked at having blood and said no thank you.