# invasivespecies ecosystems ecology biology nature nativespecies endangeredspecies habitat scicomm nathist twitternaturecommunity traditionalart illustration tinytuesday bhlib molluskmonday anatomy photography paleostream paleoart dinosaurs animals art trilobite pig evolution deer sketching penguins fridaymotivation biodiversity iac sciart3d fablabull rendering mechanism hexapode 3dmodeling optimization solarnet linerender oldproyect astronomy rigging 3danimation promovideo 3dmotion 3d feathursday worldlizardday lizards iguana scientificillustration paleontology backtoschool mammalmonday worldelephantday
画質 高画質

Dinoflagellates for The Free-living Unarmored Dinoflagellata (1921) by C. Kofoid & O. Swezy features made by the authors from living material with the aid of a camera lueida & colored by Anna Hamilton. In via : https://t.co/hl6kbbf3if

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2019-08-20

Ram's horn squid comin' in hot this This cute little weirdo has a coiled internal shell (like a ram's horn) that is used to control buoyancy AND has a photophore between its fins.

Spirula spirula



Redbubble: https://t.co/um3WC3tBJ6

0 5
2019-08-20

Hey everyone, for the next month, I'm offering 25% off on ALL of my I'll be retiring a few of my older prints at the end of this sale, but most will still be available. Check it out at https://t.co/aB44PUvzKH. Retweets are appreciated!

1 5
2019-08-19

Congratulations! I use both traditional and digital media but nearly all my work is related to marine biology (esp cephs 🦑🐙)



https://t.co/YMiG32RFMd

2 11
2019-08-18

Results from the
A second version of Metridiochoerus, the new stegosaurs Adratiklit, Hemingwaya and Asaphus.

81 312
2019-08-18

A translator friend has informed that the Spanish term for manta ray is "pez manta" which means "blanket fish."
Now she refuses to refer to them as anything other than "blanket fish" and I love it.

Manta spp.



This dude's on RedBubble! https://t.co/iwS0YM9hYK

1 11
2019-08-18

You know those silhouettes that I have been posting recently? They're not just silhouettes. Here's a sneak peek of the new artwork for the book on me and are working on, featuring the

85 486
2019-08-17

Results from tonights
, Metridiochoerus, Crossvallia and Australovenator.

43 204
2019-08-17

One of the main topics of my illustrations have always been fish, birds and other marine/aquatic creatures. If you're on a lookout for a marine related illustration or artwork, give me a shout.

https://t.co/OBPJbooDM9

8 30
2019-08-17

"These drawings relish the freedom of playing with symbols, electrical correctness be damned." shares the beauty of electric 'incorrectness' in his latest series of works, Circuit Flatplan: https://t.co/OXQhIoFd5E

4 11
2019-08-16

In 1859, an aurora borealis was so large it was visible in Cuba. Painter Frederic Edwin Church witnessed it in New York and painted a depiction. Check out the ’s podcast to learn how the aurora borealis impacted the 1850s. https://t.co/X08f96qPWN (Image: SAAM)

3 5
2019-08-16

Happy The red-throated parrotfinch (Erythrura psittacea) is found in New Caledonia. by H. Goodchild for "The Avicultural Magazine", v. 8 (1901-1902). Contributed in via ➡️ https://t.co/Mq3WsWox6V 🐦

9 28
2019-08-16

It’s so I created this plate with the basic coloration of breeding adult males of Iguanas in the genus Iguana. There is a lot of taxonomic confusion in the genus and many undescribed taxa remain within the name Iguana iguana.

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2019-08-15

Here's a throwback for some of Late Cretaceous Mongolia. They're a few years old and of questionable accuracy, but I was rather proud at the time of the color patterns evoking an arid habitat
🏜️🦎

13 74
2019-08-14

We're tweeting lab safety tips until school starts back up! 🧪 These are from our lab safety video: https://t.co/GG8yAhpM9T and some are available as posters on ! https://t.co/O8JS5nZ3PQ

7 11
2019-08-13

The greater dwarf lemur (Cheirogaleus major) is nocturnal and lives in forests and dry scrub areas in Madagascar. by P. Charles Berjeau for "The Proceedings of the Zoological Society of London" (1872), in via ➡️ https://t.co/jr0ECWwnB7

6 35
2019-08-13

Morning warmup sketch. Gomphotheres of South America. Notiomastodon (left) and Cuvieronius (right). Both elephant relatives ived alongside the first human inhabitants in the Americas for thousands of years until they went extinct.

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2019-08-12

We're tweeting lab safety tips until school starts back up! 🧪 These are from our lab safety video: https://t.co/GG8yAhpM9T and some are available as posters on ! https://t.co/O8JS5nZ3PQ

9 14
2019-08-12