Oi Duck-billed Platypus! (Oi Frog and Friends)

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a b Rauhut, O.W.M.; Martin, T.; Ortiz-Jaureguizar, E.; Puerta, P. (2002). "The first Jurassic mammal from South America". Nature. 416 (6877): 165–8. Bibcode: 2002Natur.416..165R. doi: 10.1038/416165a. hdl: 11336/99461. PMID 11894091. S2CID 4346804.

a b c Grant, T.G.; Temple-Smith, P.D. (1998). "Field biology of the platypus ( Ornithorhynchus anatinus): historical and current perspectives". Philosophical Transactions: Biological Sciences. 353 (1372): 1081–91. doi: 10.1098/rstb.1998.0267. PMC 1692311. PMID 9720106. Zhou, Yang; Shearwin-Whyatt, Linda; Li, Jing; Song, Zhenzhen; Hayakawa, Takashi; Stevens, David; Fenelon, Jane C.; Peel, Emma; Cheng, Yuanyuan; Pajpach, Filip; Bradley, Natasha (6 January 2021). "Platypus and echidna genomes reveal mammalian biology and evolution". Nature. 592 (7856): 756–762. Bibcode: 2021Natur.592..756Z. doi: 10.1038/s41586-020-03039-0. ISSN 1476-4687. PMC 8081666. PMID 33408411. The unique features of the platypus make it important in the study of evolutionary biology, and a recognisable and iconic symbol of Australia. It is culturally significant to several Aboriginal peoples, who also used to hunt it for food. It has appeared as a national mascot, features on the reverse of the Australian twenty-cent coin, and is an emblem of the state of New South Wales. This book isn't only fun for the rhyming and seeing frog be creative and original, but also for kids to learn various animals.Cortez, Diego; Marin, Ray; Toledo-Flores, Deborah; Froidevaux, Laure; Liechti, Angélica; Waters, Paul D.; Grützner, Frank; Kaessmann, Henrik (2014). "Origins and functional evolution of Y chromosomes across mammals". Nature. 508 (7497): 488–493. Bibcode: 2014Natur.508..488C. doi: 10.1038/nature13151. PMID 24759410. S2CID 4462870. Adams, Prue (27 March 2005). "Wamsley walks away from Earth Sanctuaries". Landline. Australian Broadcasting Corporation. Archived from the original on 12 October 2020 . Retrieved 12 October 2020.

Graves, Jennifer (10 March 2006). "Sex Chromosome Specialization and Degeneration in Mammals". Cell. 124 (5): 901–914. doi: 10.1016/j.cell.2006.02.024. PMID 16530039. S2CID 8379688. Platypus poison". Rainforest Australia. Archived from the original on 29 May 2010 . Retrieved 14 May 2010. Gregory, J.E.; Iggo, A.; McIntyre, A.K.; Proske, U. (June 1988). "Receptors in the Bill of the Platypus". Journal of Physiology. 400 (1): 349–366. doi: 10.1113/jphysiol.1988.sp017124. PMC 1191811. PMID 3418529. The Home of Hexley the Platypus". Archived from the original on 13 February 2011 . Retrieved 25 October 2006.The platypus is no longer found in the main Murray-Darling Basin, possibly due to declining water quality from land clearing and irrigation. [62] Along the coastal river systems, its distribution is unpredictable: absent in some relatively healthy rivers, but present in some quite degraded ones, for example the lower Maribyrnong. [63] Hall, Brian K. (March 1999). "The Paradoxical Platypus". BioScience. 49 (3): 211–8. doi: 10.2307/1313511. JSTOR 1313511. a b Manger, Paul R.; Hall, Leslie S.; Pettigrew, John D. (29 July 1998). "The development of the external features of the platypus ( Ornithorhynchus anatinus)". Philosophical Transactions: Biological Sciences. 353 (1372): 1115–25. doi: 10.1098/rstb.1998.0270. PMC 1692310. PMID 9720109. a b Sutton, Malcolm (3 May 2017). "Platypus 'sighting' in the Adelaide Hills sparks camera set-up to capture extinct species - ABC News". ABC (Australian Broadcasting Corporation). Archived from the original on 26 November 2020 . Retrieved 12 October 2020. a b c d e f g "Platypus facts file". Australian Platypus Conservancy. Archived from the original on 10 November 2015 . Retrieved 13 September 2006.

Dog is looking after some rather noisy and boisterous puppies who won’t sit. Everyone knows that puppies are meant to sit on guppies, right? The puppies are causing all sort of mayhem and mischief; they are climbing on Dog, hanging off Cat’s whiskers and chewing Frog’s swimming trunks. When Frog can’t take it any longer he decides something has to be done. Can Frog come up with a rhyming plan to stop the madness? a b Piper, Ross (2007). Extraordinary Animals: An Encyclopedia of Curious and Unusual Animals. Greenwood Press. ISBN 978-0-313-33922-6. Bess, Anna. "ADW: Ornithorhynchidae: INFORMATION". Animaldiversity.org. Archived from the original on 17 January 2022 . Retrieved 11 February 2022. Frank Grützner; Willem Rens; Enkhjargal Tsend-Ayush; Nisrine El-Mogharbel; Patricia C. M. O'Brien; Russell C. Jones; Malcolm A. Ferguson-Smith; Jennifer A. Marshall Graves (16 December 2004). "In the platypus a meiotic chain of ten sex chromosomes shares genes with the bird Z and mammal X chromosomes". Nature. 432 (7019): 913–917. Bibcode: 2004Natur.432..913G. doi: 10.1038/nature03021. PMID 15502814. S2CID 4379897.Platypus Paradoxes". National Library of Australia. August 2001. Archived from the original on 5 March 2012 . Retrieved 14 September 2006.