Researchers from the Melbourne Museum in Australia claimed the veined octopus uses tools for concealment and defense by gathering available debris to create a defensive fortress. This behavior was observed in individuals in Bali and North Sulawesi in Indonesia. The researchers filmed the octopus collecting coconut half-shells discarded by humans from the sea floor. They were then carried up to 20 meters (66 ft) and arranged around the body of the octopus to form a spherical hiding place similar to a clam-shell.

Sources:

• https://en.wikipedia.org/wiki/Octopus#Intelligence
• https://en.wikipedia.org/wiki/Amphioctopus_marginatus
• https://www.sciencedirect.com/science/article/pii/S0960982209019149

Video source: https://www.youtube.com/watch?v=Y2EboVOcikI

While seabirds have mostly been written off as tool users, in part because of their smaller brains, a new study shows they’re just as capable as their land-based cousins. For the first time, a team of researchers has documented seabirds using tools, as two puffins have been observed exhibiting stick-scratching behavior. This makes them the only example of a bird scratching itself with a tool in the wild. Puffins appear to be indulging in “body care”, a phenomenon that’s especially rare in wild birds.

Sources:

• https://www.smithsonianmag.com/smart-news/first-scientists-film-puffin-scratching-its-back-stick-180973883/
• https://www.pnas.org/content/117/3/1277

Video source: https://www.youtube.com/watch?v=1i7wFLF0UJE

Lex Luthor required Peter Parker's help to fix problems with Facebook's web connectivity.

Just fixed the links to both sources, they should be accessible now.

Among the 16 species of tree porcupines, the North American porcupine is the only species that lacks a prehensile tail, which is designed to hold and grab onto branches. Without the help of this specialized tail, the North American porcupine will occasionally lose its balance and tumble out from the tops of trees. Upon impact with the ground, the porcupine will often impale itself in an unfortunate process known as “self-quilling.” However, the North American porcupine has evolved to produce a topical antibiotic on its quills, which acts like penicillin.

Sources:

• https://www.nationalgeographic.com/news/2015/1/150130-porcupine-animal-behavior-mating-biology-plants/
• https://www.chesapeakebay.net/news/blog/the_north_american_porcupine_has_a_few_tricks_up_its_quills

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Avalanche search and rescue or recovery is usually carried out by dogs who walk the avalanche site with trainers, hunting for the scent of buried humans. Wolverines were born to do this as smelling a creature 20 feet below the snow is instinctive for them. They’re known to run along avalanche lines searching for dinner among the animals buried deep in the slide. The squat, bear-like member of the weasel family is famed for powering up difficult terrain that would require professional climbing equipment for humans.

Sources:

• https://www.cbc.ca/news/canada/edmonton/wolverines-can-be-taught-to-sniff-out-avalanche-survivors-trainer-says-1.3559850
• https://www.outsideonline.com/2067281/wolverines-future-search-and-rescue
• https://www.atlasobscura.com/articles/wolverines-are-now-being-trained-to-track-avalanche-survivors-in-alaska

Video source by Nat Geo Wild: https://www.youtube.com/watch?v=nNgv3opJqoQ

Being a lizard benefited Zuckerberg, as he managed to reduce the number of bugs found while coding Facebook.

Thankfully, Sam did not develop any back problems by the time he reaches the Shire from carrying Frodo since the first movie.

Yes, because all baby marsupials are known as joeys.