The theme for today: Animals. But what is the definition of an animal? Can "everything" be devided into either animals or plants? Is it enough to say that insects are insects, birds are birds and animals are animals? What about invertebrates and vertebrates? Exactly how many species of animals are there? Today's photo is of a group of birds, more accurately crows, which apparently is very fond of the salt being scattered on the road in winter.
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