feather ———draw with colored pencil
Info graphic about bird flight. Watercolor, Pen, Photoshop
Dinos Used Feathers to Attract Mates
A Univ. of Alberta researcher’s examination of fossilized dinosaur tail bones has led to a breakthrough finding: some feathered dinosaurs used tail plumage to attract mates, much like modern-day peacocks and turkeys.
U of A paleontology researcher Scott Persons followed a chain of fossil evidence that started with a peculiar fusing together of vertebrae at the tip of the tail of four different species of dinosaurs, some separated in time and evolution by 45 million years. Persons says the final vertebrae in the tails of a group of dinosaurs called oviraptors were fused together, forming a ridged, blade-like structure. “The structure is called a pygostyle,” says Persons. “Among modern animals, only birds have them.”
Read more: http://www.laboratoryequipment.com/news/2013/01/dinos-used-feathers-attract-mates
Black-billed Magpie (Pica hudsonia) feather study.
Sizes not to scale.
You guys really liked this feather when I originally posted the process photo. So here’s a terrible scan of the finished feather. Doesn’t do it justice really.
Oh well. Another study from my scientific illustration class.
(Gouache and colored pencil)
Study of a Feather, Flanked by Two Studies of a Gentian, 1875
John Ruskin O.W.S., British, 1819 - 1900
Watercolour over graphite, heightened and corrected with opaque white on wove paper, 16.2 x 24.2 cm
Purchased in memory of Alan Flacks, 1991
© 2012 Art Gallery of Ontario