Egg-laying mammals | الثدييات التي تبيض ????

فهاد الفيديو كنتكلم على وحدين من أغرب الحيوانات في الأرض و لي هوما الثدييات اللي كيبيضو : خلد الماء و الإيكيدنا.
شكرا بزاف إلا خديتي من وقتك و تفرجتي فهاد الفيديو ! ????

In this video, we're discussing one of the weirdest animals on Earth: egg-laying mammals, also known as monotremes - the platypus and the echidnas.

Thanks for taking from your time to watch this video, I really appreciate it ????

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Timestamps:
00:00 المقدمة
01:42 لماذا الثدييات التي تبيض تعتبر غرببة؟
03:14 لماذا هذه الثدييات تعيش فقط في أستراليا و غنيا الجديدة؟
04:59 لماذا خلد الماء و الإيكيدنا ثدييات ؟
06:27 صفات خلد الماء و الإيكيدنا الغريبة
09:52 النهاية

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CC attributions: All images and videos used in this video are for educational purposes and are within the parameters of YouTube's fair use policy. Additionally, I have created a spreadsheet that lists all the sources of the footage and pictures used to make this video. If I failed to give proper credit please contact me and I will give credit at your request.

https://docs.google.com/spreadsheets/d/1Nr8psi7MfkdVIcUAgHLZG9laAwHlHGQUZOSk0k8Yaa0/edit?usp=sharing

Music:
"Screen Saver" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
"Deliberate Thought" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
"Unanswered Questions" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
"Thunderbird" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
"Drums of the Deep" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License

Sources (Further reading)/ المصادر:

Anich, P.S., Anthony, S., Carlson, M., Gunnelson, A., Kohler, A.M., Martin, J.G. and Olson, E.R., 2021. Biofluorescence in the platypus (Ornithorhynchus anatinus). Mammalia, 85(2), pp.179-181
Deakin, J.E., Graves, J.A.M. and Rens, W., 2012. The evolution of marsupial and monotreme chromosomes. Cytogenetic and Genome Research, 137(2-4), pp.113-129.
Grützner, F., Deakin, J., Rens, W., El-Mogharbel, N. and Graves, J.A.M., 2003. The monotreme genome: a patchwork of reptile, mammal and unique features?. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 136(4), pp.867-881.
Grützner, F., Nixon, B. and Jones, R.C., 2008. Reproductive biology in egg-laying mammals. Sexual Development, 2(3), pp.115-127.
Jones, R.C., Nixon, B. and Grützner, F., 2018. Reproduction in monotremes.
Krubitzer, L. and Campi, K., 2009. Neocortical organization in monotremes.
Myers, P. (2008) Interpreting shared characteristics: The platypus genome. Nature Education 1(1):46
Rens, W., O'Brien, P.C., Grützner, F., Clarke, O., Graphodatskaya, D., Tsend-Ayush, E., Trifonov, V.A., Skelton, H., Wallis, M.C., Johnston, S. and Veyrunes, F., 2007. The multiple sex chromosomes of platypus and echidna are not completely identical and several share homology with the avian Z. Genome biology, 8, pp.1-21.
Weisbecker, V. and Beck, R.M., 2015. Marsupial and monotreme evolution and biogeography. Marsupials and monotremes: nature’s enigmatic mammals. Nova Science Publishers, New York, NY, pp.1-25.
Whittington, C.M., Belov, K., Gopalakrishnakone, P. and Calvete, J.J., 2016. The platypus: a venomous mammal. Venom genomics and proteomics: toxinology (P. Gopalakrishnakone and JJ Calvete, eds.). Springer, New York, pp.169-183.

https://www.washingtonpost.com/news/speaking-of-science/wp/2015/04/01/the-platypus-is-so-weird-that-scientists-thought-the-first-specimen-was-a-hoax/


keywords:
#wildlife #platypus #البرية
#echidna #biodiversity #biology #nature #animals #explore #animallover #evolution
#الطبيعة #حيوانات #البيئة #استراليا