https://www.hannahrowland.co.uk/home daily 1.0 2025-12-14 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1621190481025-L10H8KFFZIQHGQDM4FEJ/IMG_1671.jpg Home https://www.hannahrowland.co.uk/publications daily 0.75 2026-04-01 https://www.hannahrowland.co.uk/joints daily 0.75 2025-12-14 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1573295647516-1TWNYQ8XRKBN6C2HVSIR/IMG_2186.jpeg Join us https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793800026-2GTK7PAOF6ZVEQJ25198/Dendrobates+auratus+%282%29.jpg Join us - Make it stand out Dendrobatus auratus, Costa Rica. https://www.hannahrowland.co.uk/media-outreach daily 0.75 2025-12-14 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/65209e7a-81f9-4fb0-8d41-f2712489f8ed/p0m6kg8z.jpg.webp Media & outreach - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/c21f534a-148a-40aa-a49d-926455321923/eyespots.jpeg Media & outreach - Make it stand out Mitsuhiko Imamori/Minden Pictures https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1606490716653-5QL600N5EEBLTK5WTH3W/x54e2dc404853ac14f6da8c7dda7930791439dbed534c704c7c2673d0974fc05c_1280.jpg%2Cqitok%3DFF9ERSpl.pagespeed.ic.3DIZeBFhEd.jpg Media & outreach Credit: CC0, via Pixabay https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1606420785971-6PZYKIB8H2U4PL69OWIP/xCaterpillar-_TexasEagle.jpg%2Cqitok%3DLNTf1Fs6.pagespeed.ic.gN267kqybc.jpg Media & outreach Credit: CC-BY-NC - TexasEagle https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1606421549148-X65ITEI20B6QBM5WWFHW/xRosa_Rugani__University_of_Paldov.jpg%2Cqitok%3DpzrTvrmn.pagespeed.ic.K3MZkSQ31R.jpg Media & outreach Credit: Rosa Rugani, University of Paldov https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1606488872655-GVRYN5VM6A3PVPULV08I/cycleface.jpg Media & outreach I and my collaborators photographed women multiple times over their cycle and analysed patches of cheek skin for colour changes. Image modified from a photo by Alix Klingenberg. https://www.hannahrowland.co.uk/overview daily 0.75 2025-12-14 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793710849-LR1F1T9YTL8PN5LL0NPV/Phyllobates+vittatus.JPG Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1618752770383-9OWG78XT5DU45AQ15FM1/50187578043_41007ff4de_o.jpg Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1732895966793-0N0IWEP5R9KJECR2BHQU/BB160F70-A26F-498C-B672-5E95A81268C5+2.JPG Overview - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.hannahrowland.co.uk/values daily 0.75 2020-12-20 https://www.hannahrowland.co.uk/alumni daily 0.75 2025-07-24 https://www.hannahrowland.co.uk/photos daily 0.75 2025-07-12 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1700562052321-IA89Y2VP589TTBQV2TF5/DSC05619.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1700562052707-C3W3J5D2HOXLTFJA364S/DSC05612-Edit.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793624104-2GQA6KFMEXPLD1652FSF/Trying+to+capture+P+vittatus+%283%29.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793690460-8WAEYKA4D856MC0IKOS0/Trying+to+capture+P+vittatus+%282%29.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793633994-FS27HB72ZR5ZYF7KWQKT/Trying+to+capture+P+vittatus+%281%29.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793710849-LR1F1T9YTL8PN5LL0NPV/Phyllobates+vittatus.JPG Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793767019-COCIWWQ966D358M1E6NO/Osa+team.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793767020-4PZXP054ZX21FXE4M2OU/Oophaga+pumilio.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793790792-XJ19E5W5ETAAC6UEHMBA/Oophaga+granulifera.JPG Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793770997-BZ5U0XUAXG3020OKKC79/non+lethal+alkaloid+sampling-filter+paper.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793773378-1BIGRGG6AQ7HNEDZYI9C/non+lethal+alkaloid+sampling+-pdms+tubes.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793792729-4W96RHL0UKSHM6CM5OFO/Looking+for+frogs+at+Osa.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793822300-SUZB8B5PJIXJ29WRKBN3/La+Selva+team.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793798586-3J9L08OLW4DVND8RIG6I/Jenny+Chesca+and+Jeremy.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793800026-2GTK7PAOF6ZVEQJ25198/Dendrobates+auratus+%282%29.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793803116-YXMFCS4POKTC61U7QS3X/Dendrobates+auratus+%281%29.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793831100-VH1NRIMKAUVQ0TMQQK1Q/Chesca+Jeremy+and+Mabel+at+La+Selva.jpg Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1629793845772-FO8Q957CNSA2AD40U783/Allobates+talamancae.JPG Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1700561527553-7BTK1QZQ2VG3V649L0CZ/70ebd103-59ac-4b1a-9103-7ad57865c967.JPG Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1700561530066-T8QS8CJI4163IVP7HQI9/BB160F70-A26F-498C-B672-5E95A81268C5.JPG Photos https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1700561747934-0GMPJVR9QU4J95MNSK84/49526dfc-d5f7-4226-96d6-c7a7697f6104.JPG Photos https://www.hannahrowland.co.uk/hannah daily 0.75 2025-12-14 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/9b446e88-2289-4849-8355-08bfef4bcd85/Hannah-Rowland_+DSC09438.jpg Hannah Rowland https://www.hannahrowland.co.uk/frogs daily 0.75 2025-12-15 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1618750671110-QHF1ATHYKK97FYUGSMTB/36808977116_91c56542bb_o.jpg Chemical Defence, Signalling, and Predator Perception Golfo Dulce Poison Dart Frog (Phyllobates vittatus) La Sirena, Corcovado NP, Osa Peninsula, COSTA RICA Image Bernard DUPONT https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1618751004964-2L2DCGKTIXTLQDIHC18S/CONARE-UNIVERSIDADES.jpg Chemical Defence, Signalling, and Predator Perception https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1618751793141-B9WDG10O8338VGLCR5Y5/8568162236_2bba7d5f65_o.jpg Chemical Defence, Signalling, and Predator Perception - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.hannahrowland.co.uk/toxins daily 0.75 2025-12-15 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1618752770383-9OWG78XT5DU45AQ15FM1/50187578043_41007ff4de_o.jpg Molecular Constraints on Convergent Evolution Oncopeltus fasciatus on Asclepias tuberosa. Image Martin LaBar https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1573233628009-2GHJLT0XTKE3HUOAAS2L/Screen+Shot+2019-11-08+at+18.14.27.png Molecular Constraints on Convergent Evolution - Make it stand out “The ‘tenacity of life’ so characteristic of the warningly coloured lepidoptera on which [predators] feed, is to some extent also apparent in the vertebrate predators that attack them and appears to indicate a rather widespread phenomenon which is by no means understood.” — Miriam Rothschild, 1972 https://www.hannahrowland.co.uk/peppered-moths daily 0.75 2025-12-15 https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1634374777453-M2VJJLSQE6LXKYBYOBS3/DSC04046_wb.jpg Developmental Plasticity in Adaptive Colouration - Make it stand out Image © Alfonso Aceves https://images.squarespace-cdn.com/content/v1/5dc574348131e7168d2f5891/1634374823335-VUFYDVNT0U0IS04QLOJV/DSC03971_wb.jpg Developmental Plasticity in Adaptive Colouration - Make it stand out Image © Alfonso Aceves