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A voracious and opportunistic predator, the Atlantic sailfish is able to depress its pelvic fins into grooves along the side of the body, reducing drag as it moves through the water and making it one of the fastest recorded fish, capable of attaining speeds of up to 110 kilometres per hour (68mph).  When feeding, the Atlantic sailfish will often herd shoals of fish into a tight group, known as a ‘bait ball’, using its dorsal fin. The sailfish will then thrash from side to side at great speed using its bill to stun the schooling fish on impact, before leisurely picking off those that are injured.



Meow meow!
As much as I wish for every kitty to have a loving home, that’s simply not realistic! These TNR kitties help to prevent countless homeless and unwanted kittens whose lives would only go to waste. 
You can learn more about TNR and caring for your local strays by visiting Alley Cat Allies, the organization which began the program!

Hooded pitohui. (Pitohui dichrous)
A poisonous bird? Rad.
The hooded pitohui - alongside its two other close relatives (Variable pitohui & Rusty pitohui) - was the first ever bird to be documented as poisonous.
This bird is seriously so awesome. Its feathers and skin contain the exact same poison that is found in Poison Dart Frogs. This chemical is actually the most powerful natural toxin known to man. It’s not present in very high quantities though, so for the most part these birds will only cause numbness, tingling and other minor symptoms when touched (basically they’re not deadly unless you got like 50 of them and rubbed them all over your face). 
It’s thought that the bird gets its poison from its diet; which is mainly Choresine beetles.
Things learnt today:
Birds are rad on so many levels.
Do not cover your face in Hooded pitohuis.
Anyone who tells you that birds are boring is wrong and clearly just jealous of the majestic wonder that is the Hooded pitohui.
Image: Mark Harper

The type C killer whale has two-toned gray colouring, including a dark “dorsal cape”, in body areas where most killer whales have solid black colouring. Research is ongoing into whether one or more killer whale types is a distinct species in need of protection.



You know what the Green Heron is basically the best heron because it is like 90% neck so when it is all folded down it looks like a giant head with wings and legs


but then suddenly ZOOP


fucking green herrons

What the fuck


Yucatan Casque-headed Treefrog - Triprion petasatus
Front view of a Yucatan Casque-headed Treefrog, Triprion petasatus (Hylidae). These frogs have the head in the form of a bony casque, with skin completely attached (co-ossified) to the skull. 
The specific name petasatus is derived from Latin, meaning “with a hat on”. This designation refers to its helmet-like casque.
The species occurs in Mexico, Belize, Guatemala and Honduras.
References: [1] - [2]
Photo credit: ©Adam Radage | Locality: Yucatan Peninsula, Mexico (2013)



This is a rather obscene, curious question.

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Warning: Semi-gross description of what happens to bodies after death

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An octopus matching the color and texture of the coral quickly changes to a warning white when attacked by a territorial fish.
Many thousands of color-changing cells called chromatophores just below the surface of the skin are responsible for the transformations. The center of each chromatophore contains an elastic sac full of pigment, rather like a tiny balloon. If you squeezed a dye-filled balloon, the color would be pushed to the top, stretching out the surface and making the color appear brighter—and this is the same way chromatophores work. When the sac expands the color is more visible.  Iridophores have stacks of reflecting plates that create iridescent greens, blues, silvers and golds, while leucophores mirror back the colors of the environment, making the animal less conspicuous.
They can change not only their coloring, but also the texture of their skin to match rocks, corals and other items nearby. They do this by controlling the size of projections on their skin, creating textures ranging from small bumps to tall spikes. The result is a disguise that makes them nearly invisible.