Giraffe with a Short Neck

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Three hearts, to be exact. There is a systemic (main) heart. Two lesser hearts pump blood to the gills where waste is discarded and oxygen is received. They work like the right side of the human heart. Did giraffes evolve from dinosaurs?

Good News for Giraffes at CITES CoP18 > Newsroom". newsroom.wcs.org. Archived from the original on 27 September 2020 . Retrieved 16 November 2020. According to scientific studies, they evolved in the Miocene from ungulate animals occupying regions of Africa and Eurasia; We are talking about 25 million years ago. Eventually, they became extinct, but a new species emerged. Bond, Monica L.; Lee, Derek E.; Ozgul, Arpat; Farine, Damien R.; König, Barbara (December 2021). "Leaving by staying: Social dispersal in giraffes". Journal of Animal Ecology. 90 (12): 2755–2766. doi: 10.1111/1365-2656.13582. ISSN 0021-8790. PMC 9291750. Hello up there! Why do so many people look up to giraffes—besides the obvious reason? The long and short of it is that they are a wonderful example of nature’s creativity. Camelopard" / k ə ˈ m ɛ l ə ˌ p ɑːr d/ is an archaic English name for the giraffe; it derives from the Ancient Greek καμηλοπάρδαλις ( kamēlopárdalis), from κάμηλος ( kámēlos), " camel", and πάρδαλις ( párdalis), " leopard", referring to its camel-like shape and leopard-like colouration. [6] [7] Taxonomy Evolution

Why do giraffe have such a long neck?

Chen, L.; Qiu, Q.; Jiang, Y.; Wang, K. (2019). "Large-scale ruminant genome sequencing provides insights into their evolution and distinct traits". Science. 364 (6446): eaav6202. Bibcode: 2019Sci...364.6202C. doi: 10.1126/science.aav6202. PMID 31221828. Swaison 1835. Camelopardalis antiquorum. Bagger el Homer, Kordofan, about 10° N, 28° E (as fixed by Harper, 1940) Fennessy, J.; Marais, A.; Tutchings, A. (2018). " Giraffa camelopardalis ssp. peralta". IUCN Red List of Threatened Species. 2018: e.T136913A51140803. Simmons and Scheepers (1996) found flaws in this argument when they analysed 100 Lion – Giraffe kills. They found that almost twice as many bulls were killed as cows. Thus it did not pay to be a male with a longer stride. Another theory with a pitfall. a b Brown, D. M.; Brenneman R. A.; Koepfli, K.-P.; Pollinger, J. P.; Milá, B.; Georgiadis, N. J.; Louis Jr., E. E.; Grether, G. F.; Jacobs, D. K.; Wayne R. K. (2007). "Extensive population genetic structure in the giraffe". BMC Biology. 5 (1): 57. doi: 10.1186/1741-7007-5-57. PMC 2254591. PMID 18154651.

Lee, Derek E.; Bond, Monica L.; Kissui, Bernard M.; Kiwango, Yustina A.; Bolger, Douglas T. (11 May 2016). "Spatial variation in giraffe demography: a test of 2 paradigms". Journal of Mammalogy. 97 (4): 1015–1025. doi: 10.1093/jmammal/gyw086. ISSN 0022-2372. S2CID 87117946. a b c d Badlangana, L. N.; Adams, J. W.; Manger, P. R. (2009). "The giraffe (Giraffa camelopardalis) cervical vertebral column: A heuristic example in understanding evolutionary processes?". Zoological Journal of the Linnean Society. 155 (3): 736–57. doi: 10.1111/j.1096-3642.2008.00458.x. a b Young, T. P.; Isbell, L. A. (1991). "Sex differences in giraffe feeding ecology: energetic and social constraints" (PDF). Ethology. 87 (1–2): 79–89. doi: 10.1111/j.1439-0310.1991.tb01190.x. Archived from the original (PDF) on 16 May 2013 . Retrieved 2 February 2012.In every way, it's intermediate," said study first author Melinda Danowitz, a medical student at the NYIT College of Osteopathic Medicine. "It's completely between the two living species." Thornicroft's giraffe ( G. c. thornicrofti) is restricted to the Luangwa Valley in eastern Zambia. [1] The patches are notched and somewhat star-shaped, and may or may not extend across the legs. The median lump of males is underdeveloped. [27] :54 No more than 550 remain in the wild, [1] with none in zoos. [28] It was named after Harry Scott Thornicroft. [37] a b Van Sittert, S. J.; Skinner, J. D.; Mitchell, G. (2010). "From fetus to adult – An allometric analysis of the giraffe vertebral column". Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. 314B (6): 469–79. doi: 10.1002/jez.b.21353. PMID 20700891. Definition of CAMELOPARD". m-w.com. Encyclopædia Britannica: Merriam-Webster. Archived from the original on 25 April 2009 . Retrieved 3 September 2014.