Publications

2020
Iwaniuk AN, Wylie DR. Sensory systems of birds: what we have learned from studying sensory specialists. Journal of Comparative Neurology. 2020;528:2902-2918.
Gutierrez-Ibanez C, Dannish MR, Long RM, Kohl T, Carr CE, Tisdale RK, Craciun I, Iwaniuk AN, Wylie DR. Zebrin II expression in the cerebellum of two crocodilian species. Brain, Behavior and Evolution. 2020;95(1):45-55.
Cunha F, Racicot K, Nahirney J, Heuston C, Wylie DR, Iwaniuk AN. Allometric scaling rules of the cerebellum in galliform birds. Brain, Behavior and Evolution. 2020;95:78-92.
Deaux E, O'Neil NP, Jensen AM, Charrier I, Iwaniuk AN. Courtship display speed varies daily and with body size in displaying Ruffed Grouse. Ethology. 2020;126(5):528-539.
Iwaniuk AN, Keirnan AR, Janetzki H, Mardon K, Murphy S, Leseberg NP, Weisbecker V. The endocast of the Night Parrot (Pezoporus occidentalis) reveals insights into its sensory ecology and the evolution of nocturnality in birds. Scientific Reports. 2020;10:9258.
Early CM, Iwaniuk AN, Witmer L. Endocast structures are reliable proxies for the sizes of visual regions of the brain in extant birds. Journal of Anatomy. 2020;237:1162-1176.
EL-Andari R, Cunha FB, Tschirren B, Iwaniuk AN. Selection for divergent reproductive investment affects neuron size and foliation in the cerebellum. Brain, Behavior and Evolution. 2020;95:69-77.
2019
Jensen AM, O'Neil NP, Iwaniuk AN, Burg TM. Landscape effects on the contemporary genetic structure of Ruffed Grouse (Bonasa umbellus) populations. Ecology and Evolution. 2019;9:5572-5592. jensen_et_al-2019-ecology_and_evolution.pdf
Tsuboi M, van der Bijl W, Kopperud BT, Erritzoe J, Voje KL, Kotrschal A, Yopak KE, Collin SP, Iwaniuk A, Kolm N. Reply to: Comparisons of static brain-body allometries across vertebrates must distinguish between indeterminate and determinate growth. Nature Ecology and Evolution. 2019;3:1405-1406.
2018
Tsuboi M, van der Bijl W, Kopperud BT, Erritzoe J, Voje KL, Kotrschal A, Yopak KE, Collin SP, Hansen TF, Iwaniuk AN, et al. Decoupling of brain and body size potentiates the exceptional encephalization of mammals and birds. Nature Ecology and Evolution. 2018;2:1492-1500.
Gutiérrez-Ibáñez C, Iwaniuk AN, Wylie DR. Parrots have evolved a primate-like telencephalic-midbrain-cerebellar circuit. Scientific Reports [Internet]. 2018;8:9960. Publisher's Version
Sayol F, Downing PA, Iwaniuk AN, Maspons J, Sol D. Predictable evolution towards larger brains in birds colonizing oceanic islands. Nature Communications. 2018;9:2820. natcomm2018.pdf
O'Neil NP, Charrier I, Iwaniuk AN. Behavioural responses of male ruffed grouse (Bonasa umbellus, L.) to playbacks of drumming displays. Ethology. 2018;124:161-169.
Dean KM, Baltos LD, Marcell AM, Bohannon MEB, Iwaniuk AN, Ottinger MA. Uptake of radiolabeled 3,3',4,4'-tetrachlorobiphenyl into Japanese quail egg compartments and embryo following air cell and albumen injection. Environmental Toxicology and Chemistry. 2018;37:126-135.
Iwaniuk AN. Fooled by a fool hen: male ruffed grouse (Bonasa umbellus) courts a female spruce grouse (Falcipennis canadensis). Wilson Journal of Ornithology. 2018;130:1000-1003.
Wylie DR, Gutierrez-Ibanez C, Gaede AH, Altshuler DL, Iwaniuk AN. Visual-cerebellar pathways and their roles in the control of avian flight. Frontiers in Neuroscience [Internet]. 2018;12:233. Publisher's Version
2017
Fristoe T, Iwaniuk AN, Botero C. Big brains stabilize populations and facilitate colonization of variable habitats in birds. Nature Ecology and Evolution. 2017;1:1706-1715.
Iwaniuk AN. The evolution of cognitive brains in non-mammals. In: Evolution of Brain, Cognition, and Emotion in Vertebrates. Berlin: Springer-Verlag; 2017. pp. 101-124.
Grigg NP, Krilow JM, Gutierrez-Ibanez C, Wylie DR, Graves GR, Iwaniuk AN. Anatomical evidence for scent guided foraging in the turkey vulture. Scientific Reports. 2017;7:17408.
Ngwenya A, Williams L, Brinkman B, Nahirney J, Iwaniuk AN. Comparison of estimates of neuronal number obtained using the isotropic fractionator method and unbiased stereology in day old chicks (Gallus domesticus). Journal of Neuroscience Methods. 2017;287:39-46.
Iwaniuk AN. Chapter 18. Functional correlates of brain and brain region sizes in nonmammals. In: Evolution of Nervous Systems. Vol. 1. 2nd ed. New York: Elsevier; 2017. pp. 335-348.
Iwaniuk AN, Wylie DR. Chapter 24. Comparative vertebrate nervous systems. In: APA Handbook of Comparative Psychology. Vol. 1. Washington, DC: APA Press; 2017. pp. 505-515.
2016
Sayol F, Maspons J, Lapiedra O, Iwaniuk AN, Szekely T, Sol D. Environmental variation as a major selective force in the evolution of large brains. Nature Communications [Internet]. 2016;7:13971. Publisher's Version
Gutierrez-Ibanez C, Iwaniuk AN, Jenson M, Graham DJ, Pogany A, Montgomery BC, Stafford JL, Wylie DR. Immunohistochemical localization of cocaine- and amphetamine-regulated transcript peptide (CARTp) in the brain of the pigeon (Columba livia) and zebra finch (Taeniopygia guttata). Journal of Comparative Neurology. 2016;524:3747-3773.
Wylie DR, Hoops D, Aspden JW, Iwaniuk AN. Zebrin II is expressed in sagittal stripes in the cerebellum of dragon lizards (Ctenophorus spp.). Brain, Behavior and Evolution. 2016;88:177-186.
Dean KM, Baltos LD, Carro T, Iwaniuk AN, Bohannon MEB, Ottinger MA. Comparison of vehicle mortality following in ovo exposure of Japanese quail (Coturnix japonica) eggs to corn oil, triolein or a fatty acid mix. Endocrine Disruptors. 2016;4:e1224022.
Corfield JR, Long B, Krilow JM, Wylie DR, Iwaniuk AN. A unique cellular scaling rule in the avian auditory system. Brain Structure and Function. 2016;221:2675-2693.
2015
Lisney TJ, Iwaniuk AN, Kolominsky J, Wylie DR. Eye Morphology and Retinal Topography in Hummingbirds (Trochilidae: Aves). Brain, Behavior and Evolution. 2015;86:176-190.
Wylie DR, Gutierrez-Ibanez C, Iwaniuk AN. Integrating brain, behaviour and phylogeny to understand the evolution of sensory systems in birds. Frontiers in Neuroscience [Internet]. 2015;9:281. Publisher's Version
Corfield JR, Price K, Iwaniuk AN, Gutierrez-Ibanez C, Birkhead T, Wylie DR. Diversity in olfactory bulb size in birds reflects allometry, ecology, and phylogeny. Frontiers in Neuroanatomy [Internet]. 2015;9:102. Publisher's Version
Corfield JR, Kolominsky J, Marin GJ, Craciun I, Mulvaney-Robbins BE, Iwaniuk AN, Wylie DR. Zebrin II expression in the cerebellum of a paleognathous bird, the Chilean tinamou (Nothoprocta perdicaria). Brain, Behavior and Evolution. 2015;85:94-106.
Krilow JM, Iwaniuk AN. Seasonal variation in forebrain region sizes in male Ruffed Grouse (Bonasa umbellus). Brain, Behavior and Evolution. 2015;85:189-202.
Aspden JW, Armstrong CL, Gutierrez-Ibanez CI, Hawkes R, Iwaniuk AN, Kohl T, Graham DJ, Wylie DR. Zebrin II/aldolase c expression in the cerebellum of the western diamondback rattlesnake (Crotalus atrox). Plos One [Internet]. 2015;10:e0117539. Publisher's Version
Keeley RJ, Burger DK, Saucier DM, Iwaniuk AN. The size of non-hippocampal brain regions varies by season and sex in Richardson’s ground squirrel (Urocitellus richardsonii). Neuroscience. 2015;289:194-206.
2014
Striedter GF, Belgard TF, Cardona A, Chen C-C, Chklovskii D, Davis F, Finlay B, Gunturkun O, Hale M, Harris J, et al. NSF Workshop Report: Discovering general principles of nervous system organization by comparing brain maps across species. J Comp Neurol. 2014;522:1445-1453.
Corfield JR, Eisthen HL, Iwaniuk AN, Parsons S. Anatomical specializations for enhanced olfactory sensitivity in kiwi, Apteryx mantelli. Brain Behav Evol. 2014;84:214-226.
Burger DK, Gulbrandsen T, Saucier DM, Iwaniuk AN. The effects of sex and season on dentate gyrus size and neurogenesis in a wild rodent, Richardson’s ground squirrel (Urocitellus richardsonii). Neuroscience. 2014;272:240-251.
Gutierrez-Ibanez C, Iwaniuk AN, Corfield JR, Krilow JM, Fernandez-Juricic E, Moore BA, Wylie DR. Mosaic and concerted evolution of visual nuclei in birds. Plos One [Internet]. 2014;9:e90102. Publisher's Version
Pellis SM, Pellis VC, Iwaniuk AN. Pattern in behavior: the characterization, origins and evolution of behavior patterns. Adv Study Behav. 2014;46:127-189.
Franklin DC, Garnett ST, Luck GW, Gutierrez-Ibanez C, Iwaniuk AN. Relative brain size in Australian birds. Emu. 2014;114:160-170.
2013
Cunningham SJ, Corfield JR, Iwaniuk AN, Castro I, Alley MR, Birkhead T, Parsons S. The anatomy of the beak tip of kiwi and associated somatosensory regions of the brain: comparisons with shorebirds. Plos One [Internet]. 2013;8:e80036. Publisher's Version
Corfield JR, Harada N, Iwaniuk AN. Aromatase expression in the brain of the Ruffed Grouse (Bonasa umbellus) and comparisons with other galliform birds (Aves, Galliformes). J Chem Neuroanat. 2013;47:15-27.
Walsh SA, Iwaniuk AN, Knoll MA, Bourdon E, Barrett PM, Milner AC, Nudds R, Abel RL, Dello Sterpaio P. The avian cerebellar floccular fossa as a proxy for flying ability in extinct birds. Plos One [Internet]. 2013;8:e67176. Publisher's Version
Corfield JR, Birkhead T, Spottiswoode CN, Iwaniuk AN, Boogert NJ, Gutierrez-Ibanez C, Overington SE, Wylie DR, Lefebvre L. Brain size and morphology of the brood parasitic and cerophagous honeyguides (Aves: Piciformes). Brain Behav Evol. 2013;81:170-186.
Gutierrez-Ibanez C, Iwaniuk AN, Lisney TJ, Wylie DR. Comparative study of visual pathways in owls (Strigiformes). Brain Behav Evol. 2013;81:27-39.
Lisney TJ, Stecyk K, Kolominsky J, Graves GR, Wylie DR, Iwaniuk AN. Comparison of eye morphology and retinal topography in two species of New World vulture (Aves: Cathartidae). Anat Rec. 2013;296:1954-1970.
Lisney TJ, Stecyk K, Kolominsky J, Schmidt BK, Corfield JR, Iwaniuk AN, Wylie DR. Ecomorphology of eye shape and retinal topography in waterfowl (Aves: Anseriformes) with different feeding modes. J Comp Physiol A. 2013;199:385-402.
Wylie DR, Jensen M, Gutierrez-Ibanez C, Graham DJ, Iwaniuk AN. Heterogeneity of calretinin expression in the cerebellar cortex of pigeons and relationship with zebrin II. J Chem Neuroanat. 2013;52:95-103.
Faunes M, Fernandez S, Gutierrez-Ibanez C, Iwaniuk AN, Wylie DR, Mpodozis J, Karten HJ, Marin G. Laminar segregation of GABAergic neurons in the avian nucleus isthmi pars magnocellularis: A retrograde tracer and comparative study. J Comp Neurol. 2013;521:1727-1747.
Corfield JR, Krilow JM, Vande Ligt M, Iwaniuk AN. A quantitative morphological analysis of the inner ear of galliform birds. Hear Res. 2013;304:111-127.
Burger DK, Saucier JM, Iwaniuk AN, Saucier DM. Seasonal and sex differences in the hippocampus of a wild rodent. Behav Brain Res. 2013;236:131-138.
Garcia-Pena GC, Sol D, Iwaniuk AN, Szekely T. Sexual selection on brain size in shorebirds (Charadriiformes). J Evol Biol. 2013;26:878-888.
Chee S-SA, Espinoza WA, Iwaniuk AN, Pakan JMP, Gutierrez-Ibanez C, Wylie DR, Hurd PL. Social status, breeding state and GnRH soma size in convict cichlids (Cryptoheros nigrofasciatus). Behav Brain Res. 2013;237:318-324.
2012
Wylie DRW, Iwaniuk AN. Neural mechanisms of motion detection in birds. In: How Animals See the World. New York: Oxford University Press; 2012.
Garcia M, Charrier IC, Iwaniuk AN. Directionality of the Ruffed Grouse (Bonasa umbellus) drumming display. Condor. 2012;114:500-506.
Wylie DR, Pakan JMP, Huynh H, Iwaniuk AN. The distribution of zebrin immunoreactive Purkinje cell terminals in the cerebellar and vestibular nuclei of birds. J Comp Neurol. 2012;520:1532-1546.
Lisney TJ, Bandet MV, Iwaniuk AN, Wylie DR. Eye shape and retinal topography in owls (Aves: Strigiformes): Interspecific variation in relation to activity pattern and habitat. Brain Behav Evol. 2012;79:218-236.
Gutierrez-Ibanez C, Iwaniuk AN, Lisney TJ, Faunes M, Marin GJ, Wylie DR. Functional implications of species differences in the size and morphology of the isthmo optic nucleus (ION) in birds. Plos One [Internet]. 2012;7:e37816. Publisher's Version
Ward BJ, Day LB, Wilkening SR, Wylie DR, Saucier DM, Iwaniuk AN. Hummingbirds have a greatly enlarged hippocampal formation. Biol Lett. 2012;8:657-659.
Lisney TJ, Iwaniuk AN, Kolominsky J, Bandet MV, Corfield JR, Wylie DR. Interspecific variation in eye shape and retinal topography in seven species of galliform birds (Aves: Galliformes: Phasianidae). J Comp Physiol A. 2012;198:717-731.
Garcia M, Charrier IC, Rendall D, Iwaniuk AN. Temporal and spectral analyses reveal individual variation in a non-vocal acoustic display: the drumming display of the Ruffed Grouse (Bonasa umbellus, L.). Ethology. 2012;118:292-301.
2011
Corfield J, Gsell A, Brunton D, Heesy CP, Hall MI, Acosta ML, Iwaniuk AN. Anatomical specializations for nocturnality in a critically endangered parrot, the Kakapo (Strigops habroptilus). Plos One [Internet]. 2011;6:e22945. Publisher's Version
Wylie DR, Gutierrez-Ibanez C, Graham DJ, Kreuzer MB, Pakan JMP, Iwaniuk AN. Heterogeneity of parvalbumin expression in the avian cerebellar cortex and comparisons with zebrin II. Neuroscience. 2011;185:73-84.
Iwaniuk AN. The importance of scientific collecting and natural history museums to comparative neuroanatomy. Ann N Y Acad Sci. 2011;1225:E1-E19.
Gutierrez-Ibanez C, Iwaniuk AN, Wylie DR. Relative size of auditory pathways in symmetrically and asymmetrically eared owls (Strigiformes). Brain Behav Evol. 2011;78:286-301.