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A rook skull The rook is a very social bird; in the evenings they gather in large flocks, often in thousands. Rooks are highly gregarious birds and are generally seen in flocks of various sizes. Males and females pair-bond for life and pairs stay together within flocks.
Horn is the outer covering of a bony outgrowth on an animal's skull, such as a cow. It consists of a mass of very hard, hair-like filaments called keratin, cemented together around a spongy internal bone core. This layering effect continues to grow over time, resulting in a cone-within-cone structure.
[3] Both ground hair and guard hair are classified as fur. Because human hair acts as both, it can technically be called "fur". In reality, the keratin fibers that are described variously as hair, wool, or fur, depending on the animal type, are all referring to the same thing. [4] Taxidermy animals at the Kunming Natural History Museum of Zoology
Antlers are considered one of the most exaggerated cases of male secondary sexual traits in the animal kingdom, [10] and grow faster than any other mammal bone. [11] Growth occurs at the tip, and is initially cartilage, which is later replaced by bone tissue. Once the antler has achieved its full size, the velvet is lost and the antler's bone dies.
A fur is a soft, thick growth of hair that covers the skin of almost all mammals. It consists of a combination of oily guard hair on top and thick underfur beneath. The guard hair keeps moisture from reaching the skin; the underfur acts as an insulating blanket that keeps the animal warm. [1]
Check out the slideshow above to find out how animal crackers came to be associated with the circus, what animals you can still find in a box today, and why there is a string attached to a each ...
[10]: 3 Skeletal classification is the other half of properly identifying animal remains. [10]: 1 Zoological osteology is useful to zooarchaeology because certain morphological aspects of a bone are associated with particular periods of growth, which can help narrow down the age the specimen was at death.
A 13,600-year-old mastodon skull was uncovered in an Iowa creek, state officials announced this week. Iowa's Office of the State Archaeologist said in a social media post that archaeologists found ...
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