Why do waxwings mind 💩💩💩 sparrow droppings?
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0:00 Where do waxwings come from and what do they eat? 🍇🐦
0:50 Why do waxwings eat the droppings of other birds? 💩
1:20 Copraphgia among animals 💩🐇
2:40 Why do birds eat chicks' droppings 🐣
3:33 Coprophagia of waxwings and mineral hunger 💊
5:20 Why do birds need animal urea? 🐄
5:40 Sparrow droppings and their diet ♨
6:28 How is viburnum better than rowan 🌱
6:51 Hawthorn in the diet of the American waxwing
8:01 About possible calcium deficiency
8:35 About magnesium and sodium deficiency
9:11 Litter consumption volumes 💩💩💩
10:34 Using urea as energy 🔋
11:36 Feed absorption by waxwings and sparrows 🍽️
13:48 Afterword ⚜️
🎥 Video on the topic
Bird with crest. Waxwing • Птица с Хохолком. Свиристель
Why do birds peck at the walls of houses? • Почему птицы клюют стены домов?
Pebbles in the feeder. Diary of a naturalist. December 15, 2023 • Камешки в кормушке. Дневник натуралис...
❤ I express my gratitude to the Moscow Zoo and personally to Afrin I.V. for the opportunity to film animals.
Sources demonstrated in the video
📔 Seasonal Changes in the Energy Balance of the English Sparrow
The Auk, Volume 72, Issue 4, 1 October 1955, Pages 385–411, https://doi.org/10.2307/4081450
https://academic.oup.com/auk/article/...
📔 Nutritional budgets in free flying birds: Cedar waxwings (Bombycilla cedrorum) feeding on Washington hawthorn fruit (Crataegus phaenopyrum)
Studier, Eugene H.; Szuch, Ernest J.; Tompkins, Terence M.; Cope, Virgil W. 1988
https://deepblue.lib.umich.edu/bitstr...
📔 Use of urea in the feed mixture for broiler chickens at the final stage of fattening
https://patenton.ru/patent/SU1782521A1
📔 Skvortsova G.M., Knysh N.P. 2009. On coprophagy of waxwings (in the context of mineral nutrition deficiency) // Berkut 18, 1/2: 210-212.
https://cyberleninka.ru/article/n/o-k...
📔 Skvortsova G.M., Knysh N.P. 2011. New data on coprophagy of waxwings // Berkut 20, 1-2: 176-177.
http://www.aetos.kiev.ua/berkut/berku...
📕 Tree sparrow Passser montanus L. (characteristics of the species in its range). Noskov G.A., Fetisov S.A., Gaginskaya A.R. and others - L.: Leningrad University Publishing House, 1981.
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