Learn how to distinguish a Cassin’s finch from other finch look-alikes. Find out what these western finches eat and where to ...

the ground finch has a short beak adapted for eating seeds buried under the soil, and the tree finch has a parrot-shaped beak suited for stripping bark to find insects. The Grants have focused ...

Learn how to identify a Cassin’s finch. Their nest is a cup made of natural materials, string and feathers on tree branches or manmade structures; the nest holds four to five spotted bluish ...

Q: How can you say that ball moss does not have a negative impact on live oak trees when it seems to replace the leaves on ...

and 7 species of tree-dwelling insect-eaters. Scientists long after Darwin spent years trying to understand the process that had created so many types of finches that differed mainly in the size ...