Absurd Creature of the Week: The Vicious Duck That Beats the Crap Out of Anything That Moves
When I was a kid we had a Gander that would flog the shit out of you if you crossed it trail or if for some reason, no one ever figure out, it just didn't like you or it just wanted to flog the shit out of something. Never seen it go after another goose but dogs and humans were in peril when around that bugger. I think he might have wound up on the thanksgiving dinner table ultimately. As I look back some where along about that time we had a goose for thanksgiving dinner 
On an Argentinian lake in November of 1981, Gary Nuechterlein witnessed a rather disturbing avian assault. A male steamer duck bit and held tight to the neck of another duck called a shoveler, while pummeling the victim with the keratinized knobs on its wings. Meanwhile, “several meters away,” Nuechterlein later wrote in a paper, “a female steamer duck displayed excitedly, calling and stretching” her neck to the sky, as if egging him on.
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From time to time the steamer would drag the shoveler under, then resurface and continue beating the tar out of it as the female watched. At one point he shuffled over to her, but after 30 seconds returned to his victim and punched the poor critter 15 to 20 more times. “He then released the limp body of the shoveler,” wrote Nuechterlein, “pecked at it, and released it again.” At last he returned to the female for good, calling to her while she stretched, and the two flew off together. The shoveler eventually regained consciousness, and though seriously crippled, struggled to shore. It died 15 minutes later.
This is the avian version of Bloodsport, only without all of the terrible yet somehow endearing acting. The four species of steamer duck (so named for their penchant for flapping and running along the surface, kicking up water like steamboats) in South America are famous—at least in ornithological circles—for their brutality, getting all up in the grills of not just other steamers, but also other species in scrums lasting as long as 20 minutes. Why exactly they’ve evolved to be so aggressive, no one is yet sure.
Studying these pugnacious creatures is biologist Kevin McCracken of the University of Miami, who learned firsthand that you should watch your step around steamer ducks. “I was down in the Strait of Magellan and Tierra del Fuego and I saw some birds really close to some rocks,” he said. “And I went up to photograph and they were really upset with me, like, amazingly upset with me. And they just came right at me, and started squawking at me.”
http://www.wired.com/2014/10/absurd-creature-week-vicious-duck-beats-crap-anything-moves/
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Thanks madokie 
I like wildlife and if I was to ever take up a hobby it would most likely be wild life photography