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66:, did not have very good binocular vision, comparable to modern crocodiles. They possessed binocular vision which was restricted to a region only 20° wide, which is understandable, as they hunted mostly large and slow prey. Their keenest sense was probably smell.
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Choiniere, Jonah N.; Neenan, James M.; Schmitz, Lars; Ford, David P.; Chapelle, Kimberley E. J.; Balanoff, Amy M.; Sipla, Justin S.; Georgi, Justin A.; Walsh, Stig A.; Norell, Mark A.; Xu, Xing; Clark, James M.; Benson, Roger B. J. (2021-05-07).
327:. This hypothesis implies that these dinosaurs had advanced color vision, potentially aiding them in tasks such as finding food, identifying mates, and communicating with conspecifics. Specifically, these
159:, like most of the plant-eaters, had eyes on the sides of the head, so they could quickly spot approaching predators. They also had better depth perception than most other dinosaurs
38:
had poor binocular vision, comparable to that of modern alligators. Recent evidence has also shown that some species possessed highly specialized color and night vision.
102:
suggests that they had a very well developed sense of vision. Combined with the shape of the head they had better binocular vision than allosauroids. The eye position of
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is studied by evaluating fossil records and reconstructing biomes; researchers can make inferences about the biological structures that are needed to interact with a
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was better than that of allosauroids and it matched or exceeded that of extant predatory birds. Their binocular field was up to 60°.
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240:. Taken in tandem with previous findings of extremely sensitive hearing, researchers concluded that they likely possessed acute
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116:, unlike most dinosaurs, had a combination of powerful eyesight and a great sense of smell. The binocular vision of
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264:, were found to have much smaller scleral rings and likely had visual capacities more suited to daytime activity.
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capacity. Diameter and circumference of the structure directly correlate with the effectiveness of modern animal
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in bird feathers indicates the potential for enhanced color discrimination. Modern birds whose feathers contain
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had eyes placed closer to the side. This widened their field of vision, but decreased their depth perception.
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indicates an increased capacity to capture ambient light, thereby amplifying nocturnal visual acuity.
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are associated with enhanced color vision in birds today, the presence of these structures in early
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refers to the possession of four types of cone cells in the eyes, allowing for enhanced
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486:(Theropoda: Allosauroidea) and its implications for theropod brain evolution"
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427:"Nocturnality in Dinosaurs Inferred from Scleral Ring and Orbit Morphology"
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Koschowitz, Marie-Claire; Fischer, Christian; Sander, Martin (2014-10-24).
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are capable of discriminating shades of turquoise and ultraviolet that
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576:"Evolution of vision and hearing modalities in theropod dinosaurs"
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This area of research has focused on whether certain species of
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492:. Bloomington, Indiana: Indiana University Press. pp.
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have been identified in the fossilized feathers of certain
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was similar to that of modern humans, but their eyes and
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10.1671/0272-4634(2006)26[321:BVITD]2.0.CO;2
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Doucet, Stéphanie M; Meadows, Melissa G (2009-04-06).
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was, in general, better than the vision of most other
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191:has revealed evidence suggesting that several
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659:Annual Review of Earth and Planetary Sciences
425:Schmitz, Lars; Motani, Ryosuke (2011-05-06).
112:were much larger than that of modern humans.
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524:"Binocular vision in theropod dinosaurs"
210:is critical in determining a dinosaur's
707:"Iridescence: a functional perspective"
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122:has been found to be less than that of
711:Journal of the Royal Society Interface
655:"Reconstructing Vertebrate Paleocolor"
517:
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323:suggests that they may have also been
236:were found to have particularly large
218:and is hypothesized to do the same in
179:adaptations were exclusive to smaller
988:Evolution of color vision in primates
488:. In Tanke, DH; Carpenter, K (eds.).
7:
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771:Dinosaur senses in Australian Museum
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680:10.1146/annurev-earth-073019-045641
630:"Dinosaurs that hunted in the dark"
531:Journal of Vertebrate Paleontology
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522:Stevens, Kent A. (12 June 2006).
26:, although vision varied between
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16:Study of dinosaur visual acuity
229:Small herbivores, such as the
199:and were capable of extensive
1:
653:Vinther, Jakob (2020-05-30).
484:Carcharodontosaurus saharicus
195:species possessed formidable
1181:. You can help Knowledge by
723:10.1098/rsif.2008.0395.focus
248:activity. Large carnivorous
98:The position of the eyes of
916:Simple eye in invertebrates
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1160:
1112:Infrared sensing in snakes
766:Interactive Dracorex skull
282:hypothesized environment.
983:Evolution of color vision
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292:species. The presence of
778:, BBC, 10 December 2010.
490:Mesozoic vertebrate life
482:"Endocranial anatomy of
126:, but more than that of
74:The binocular vision of
600:10.1126/science.abe7941
451:10.1126/science.1200043
387:10.1126/science.1258957
335:, like humans, cannot.
189:Computerized Tomography
1177:-related article is a
717:(suppl_2): S115–S132.
1228:Dinosaur paleobiology
1117:Monocular deprivation
1076:Underwater camouflage
1071:Structural coloration
1049:Disruptive coloration
480:Larsson, HCE (2001).
300:-like structures are
1097:Blindness in animals
1029:Counter-illumination
978:Evolution of the eye
363:"Beyond the rainbow"
671:2020AREPS..48..345V
592:2021Sci...372..610C
443:2011Sci...332..705S
379:2014Sci...346..416K
57:Carcharodontosaurus
1044:Deimatic behaviour
152:Pachycephalosauria
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1189:
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1147:Visual perception
1142:Underwater vision
1107:Feature detection
1102:Eyespot apparatus
1061:Eyespot (mimicry)
1009:Animal coloration
812:Vision in animals
586:(6542): 610–613.
437:(6030): 705–708.
373:(6208): 416–418.
157:Pachycephalosaurs
105:Tyrannosaurus rex
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232:Shuvuuia deserti
171:possessed acute
124:Stenonychosaurus
87:Stenonychosaurus
70:Deinonychosauria
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1085:Related topics
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760:External links
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637:. Retrieved
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554:. Retrieved
547:the original
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310:color vision
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276:color vision
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268:Color Vision
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242:night vision
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224:scleral ring
216:night vision
208:scleral ring
205:
197:night vision
173:night vision
166:
163:Night Vision
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147:Ornithischia
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136:Ceratosauria
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81:Velociraptor
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54:, including
52:Allosauroids
50:
32:Coelurosaurs
19:
18:
1132:Pseudopupil
1014:Aposematism
933:Mollusc eye
333:trichromats
317:melanosomes
294:melanosomes
286:Melanosomes
222:. A larger
183:and later,
141:Ceratosaurs
129:Gorgosaurus
1222:Categories
1122:Ommatidium
1054:coincident
1019:Camouflage
997:Coloration
938:cephalopod
832:Chameleons
639:2024-05-02
556:2017-09-12
339:References
298:melanosome
203:activity.
110:optic lobe
78:, such as
63:Allosaurus
36:carnosaurs
1137:Rhopalium
970:Evolution
943:gastropod
911:Eye shine
906:Eagle eye
837:Dinosaurs
731:1742-5689
689:0084-6597
608:0036-8075
459:0036-8075
395:0036-8075
321:dinosaurs
280:dinosaurs
250:theropods
246:nocturnal
220:dinosaurs
212:nocturnal
201:nocturnal
177:nocturnal
42:Theropoda
30:species.
1175:dinosaur
1004:Albinism
749:19336344
616:33958472
467:21493820
403:25342783
315:Because
290:dinosaur
273:Dinosaur
193:dinosaur
169:dinosaur
28:dinosaur
24:reptiles
1066:Mimicry
1039:Crypsis
852:Mammals
740:2706478
667:Bibcode
588:Bibcode
580:Science
439:Bibcode
431:Science
375:Bibcode
367:Science
181:mammals
857:horses
819:Vision
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114:T. rex
1173:This
926:human
847:Toads
827:Birds
550:(PDF)
527:(PDF)
494:19–33
185:birds
1179:stub
888:Eyes
867:cats
862:dogs
842:Fish
745:PMID
727:ISSN
685:ISSN
612:PMID
604:ISSN
498:ISBN
463:PMID
455:ISSN
399:PMID
391:ISSN
258:and
244:for
206:The
84:and
60:and
735:PMC
719:doi
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