The attractive house finch is one of the more common and recognizable species throughout the United States. Originally a “western” species of semiarid environments, it was introduced in the ...

So join us as we discover all of the differences between a house finch vs a purple finch. House finches and purple finches are both favorites amongst people with bird feeders in their backyards ...

But spotting the differences between a house finch vs a purple finch is particularly tricky. After all, the two species look incredibly alike! Here are some important things to look out for when ...

The different finch species on the islands are closely related to each ... The HMS Beagle team collected thousands of specimens of plants and animals during their expedition. Why did they do this?