For humans, eating tree bark may seem strange and unpleasant. However, for many animals with a good digestive system, tree bark actually provides abundant sources of nutrients, especially in winter when other food sources become scarce, you know! Here are 5 animals that eat tree bark and how they access nutrients from woody food sources!
Source: A-Z Animals
"dream.co.id"
Tikus Air (Arvicola amphibius) means "Water Vole (Arvicola amphibius)" in English.
In winter, when food sources are scarce, water voles (Arvicola amphibius) will peel and consume the inner bark of small trees and bushes. Their digestive system is not strong enough to process the harder outer bark, so they efficiently peel off the outer layer to reach the softer and more easily digestible cambium layer.
The translation of the given text from 'Bahasa' to 'English' while preserving any HTML tags is as follows: "Small rodents usually target tree bark about 8 inches or less from the ground. They often peel off the entire circumference of the tree bark. This process, called girdling, can damage or even kill trees and young shrubs."
The translation of the given 'Bahasa' text to 'English' while preserving any html tags is: Rabbit (Leporidae)
Although the digestive system of rabbits (Leporidae) is not very strong, they have adapted a system that allows them to gnaw and eat tree bark during the winter season.
To improve their ability to digest cellulose in tree bark, rabbits will practice coprophagy, which is eating their own feces. This re-digested food then passes through the large intestine multiple times, rich in microbes, where cellulose digestion can increase two to three times the amount compared to the first passage.
North American Porcupine (Erethizon dorsatum)
During the winter, the North American porcupine (Erethizon dorsatum) often climbs trees to eat branches and inner bark from various tree species. The porcupine's large intestine is very long, allowing for slow travel through the digestive tract, which helps enhance nutrient absorption.
The translation of the given 'Bahasa' text to 'English' while preserving any html tags is as follows: "The large intestine also contains many microorganisms that produce cellulase and hemicellulase. North American porcupines will also chew wood bark thoroughly until it becomes like dust."
Rusa (Cervidae)
All species of deer in the Cervidae family can eat tree bark. This is common during the winter season in arboreal environments. Deer are an example of ruminant animals, even-toed ungulate mammals that chew food that has been regurgitated from a stomach compartment called the rumen. Similar to cows, a deer's stomach is divided into four chambers.
The following is the translation of the 'Bahasa' text to 'English' while preserving any html tags: "Deer will quickly peel the bark of trees and only chew some of their food before swallowing it. Then, when the deer can rest, they repeatedly regurgitate and chew the wood bark from the rumen until it is sufficiently mechanically and chemically broken down to enter the next stomach chamber, namely the reticulum."
"Berang-berang (Castor spp.)" translates to "Otter (Castor spp.)" in English.
The translation of the given 'Bahasa' text to 'English' while preserving any html tags is as follows:
Both species of beavers that still exist are the North American beaver (Castor canadensis) and the Eurasian beaver (Castor fiber). They will peel and eat tree bark. Beavers primarily eat the bark of young branches, twigs, and small tree trunks. This young and flexible wood bark contains less lignin.
In the winter, beavers only eat bark and other woody plants. In the summer, these intelligent creatures will store pieces of wood underwater in their shelter as a food supply for the winter. Their strong and continuously growing incisors and molars slice through wood and grind down fibrous bark.
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