The "feather" in the phrase "lighter than a feather" refers to the down on swans, also known as velvet. Since velvet is very soft and light, "lighter than a feather" is used to describe something very light and lightweight. It should be noted that "feather" itself is not an animal's hair, but just a metaphor.
animal tags： swan
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Queen bee, worker bee and drone bee are different roles in the bee colony, and they have obvious differences in appearance, physiology and function. The following is a detailed introduction to the queen bee, worker bee and drone bee: 1. Queen Bee (Queen Bee): Appearance: T...
The so-called "native cats" refer to cats that have not had much contact with humans in a wild or semi-wild state and have not been domesticated. Generally speaking, the reasons why it is not recommended to keep native cats include the following:1. Health problems: Native cats often do not...
"Jizi" usually refers to birds such as partridges. The partridge is an ancient poultry species commonly used for food and ornamental purposes. In China, partridges are also called "several birds" and are often used to express the concept of poultry. Its meat is delicious, so it i...
When it comes to brains, the animal kingdom is full of surprises. While humans often think of themselves as the most "brainy," we don’t hold the record for the heaviest brain—that title goes to the sperm whale, whose brain weighs an astonishing 17 pounds (7.8 kilograms)! But is a bigger...
If you want to take your children to see dinosaurs, here are some possible options:1. Dinosaur parks and museums: Many cities have dinosaur parks and museums that display various dinosaur fossils, specimens, and models. Children can see life-size dinosaur skeletons and models here and learn about th...
Since hamsters are pets with a day-night cycle, owners need to provide them with an appropriate environment and diet during the summer to ensure their health and comfort. Here are some tips for hamsters over the summer: 1. Maintain air circulation: In the summer, you can...
The goldfinch is a small European yellow finch, also known as the European canary. They usually live in environments such as grasslands, woods, and city parks, and are one of the most popular pet birds.Goldfinches are relatively small, with adults about 10 centimeters long and weighing about 8 to 11...
Yes, silkworms belong to the phylum Arthropoda and the class Insecta. They have typical arthropod features, including structures such as exoskeletons, segments, and appendages. In addition, they also have characteristics common to other insect species, such as pairs of compound eyes and a single com...
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