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#flamingo

3 posts3 participants0 posts today
Public
RTL Nieuws

𝗙𝗹𝗮𝗺𝗶𝗻𝗴𝗼'𝘀 𝘃𝗲𝗿𝘄𝗼𝗲𝘀𝘁𝗲𝗻 𝗿𝗶𝘀𝗼𝘁𝘁𝗼-𝗼𝗼𝗴𝘀𝘁 𝗶𝗻 𝗜𝘁𝗮𝗹𝗶ë, 𝗯𝗼𝗲𝗿𝗲𝗻 𝘄𝗮𝗻𝗵𝗼𝗽𝗶𝗴

Flamingo's zijn neergestreken in het noordoosten van Italië, en dat drijft boeren tot waanzin. De roze vogels verpesten de risotto-oogst doordat ze in de rijstvelden zoeken naar algen en insecten.

rtl.nl/nieuws/buitenland/artik

#Flamingo's #Risotto #Italië

RTL Nieuws · Flamingo's verwoesten risotto-oogst in Italië, boeren wanhopigFlamingo's zijn neergestreken in het noordoosten van Italië, en dat drijft boeren tot waanzin. De roze vogels verpesten de risotto-oogst doordat ze in de rijstvelden zoeken naar algen en insecten.
Public
Laura Scrimshaw
Flamingo in a Pond.
I was delighted to see what sweet, calm and gentle beings they are, having only seen them as backdrops in Miami cop shows or as rather brash lawn ornaments.
#flamingo #galapagos #wildlifeconservation #birds #nature #naturephotography #NaturePhotography #Nature #Wildlife #NatureCommunity #Photography #BirdPhotography #BirdWatching #oiseaux #oiseau #natur #vogel #wildlife #canonwildlifephotography #waterbird
#waterbird
Public
Ele Willoughby, PhD

This linocut shows a flamboyance of flamingos. The collective noun for a group of flamingos is a "Flamboyance". Isn't that perfect? And, ridiculously fun to say? Try it: "A flamboyance of flamingos." Alliterative, apt, succinct, this flaboyance of three pink and fuchsia flamingos are a chorus line of long-legged aquatic birds about to break out into a can-can routine.
🧵

As described these 3 linoleum block printed flamingos standing in slightly wavy water with their reflection are printed on Japanese kozo, or mulberry paper. The block is inked 'à la poupée', meaning the multiple colours (pink, fuchsia and black ink) are all inked at the same time, in small areas, and the print is pulled all at once. Text reads “A Flamboyance of Flamingos” in rococo letters for flamboyance and flamingos written in shapes of flamingo necks and heads. Each print is 10" by 12.5" or 25 cm by 39 cm in dimension.
#linocut#printmaking#flamingo
Public
Nicole Sharp

Flamingo Fluid Dynamics, Part 1: A Head in the Game

Flamingos are unequivocally odd-looking birds with their long skinny legs, sinuous necks, and bent L-shaped beaks. They are filter-feeders, but a new study shows that they are far from passive wanderers looking for easy prey in shallow waters. Instead, flamingos are active hunters, using fluid dynamics to draw out and trap the quick-moving invertebrates they feed on. In today’s post, I’ll focus on how flamingos use their heads and beaks; next time, we’ll take a look at what they do with their feet.

Feeding flamingos often bob their heads out of the water. This, it turns out, is not indecision, but a strategy. Lifting its flat upper forebeak from near the bottom of a pool creates suction. That suction creates a tornado-like vortex that helps draw food particles and prey from the muddy sediment.

When feeding, flamingos will also open and close their mandibles about 12 times a second in a behavior known as chattering. This movement, as seen in the video above, creates a flow that draws particles — and even active swimmers! — toward its beak at about seven centimeters a second.

Staying near the surface won’t keep prey safe from flamingos, either. In slow-flowing water, the birds will set the upper surface of their forebeak on the water, tip pointed downstream. This seems counterintuitive, until you see flow visualization around the bird’s head, as above. Von Karman vortices stream off the flamingo’s head, which creates a slow-moving recirculation zone right by the tip of the bird’s beak. Brine shrimp eggs get caught in these zones, delivering themselves right to the flamingo’s mouth.

Clearly, the flamingo is a pretty sophisticated hunter! It’s actively drawing out and trapping prey with clever fluid dynamics. Tomorrow we’ll take a look at some of its other tricks. (Image credit: top – G. Cessati, others – V. Ortega-Jimenez et al.; research credit: V. Ortega-Jimenez et al.; submitted by Soh KY)

A pink flamingo in water, with its head lowered so that the top of its forebeak touches the pool.
GIF
GIF
#biology#filterFeeding#flamingo
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