How do Animals Survive from Drinking Blood Alone?

There are many strange diets across the animal kingdom but it is hard to think of one stranger than animals that live off a diet comprised entirely of blood and nothing else. Blood drinkers, known as sanguivores, are incredibly rare as drinking a blood only diet is fraught with issues but some animals have evolved to make this a reality, How? To support me on Patreon (thank you): https://www.patreon.com/MothLightMedia To donate to my PayPal (thank you): https://www.paypal.me/mothlightmedia To buy merchandise: teespring.com/en-GB/stores/moth-light... Email: [email protected] If I have used artwork that belongs to you but have neglected to credit it this will just be because I was unable to find one. If this has happened please contact me and I will add a credit. Some Art work has been altered for the purposes of bettering them for video format; these alterations were done independent from the artists who created the original work, so they are not responsible for any inaccuracies that could have occurred with the changes being made. Sources: https://www.sciencedirect.com/science/article/abs/pii/0022191063900544 https://pubmed.ncbi.nlm.nih.gov/39500370/ https://pmc.ncbi.nlm.nih.gov/articles/PMC11876839/ https://journals.biologists.com/dmm/article/18/9/dmm050763/367017/Translational-lessons-from-the-balanced-immune https://www.science.org/doi/10.1126/sciadv.abm6494 https://www.sciencedirect.com/science/article/abs/pii/0010406X6990543X