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 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 ...

DEAR JOAN: A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and ...

DEAR JOAN: A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and when he perches, he gapes his beak open and closed, over and over ...

DEAR JOAN: A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and when he perches, he gapes his beak open and closed, over and over ...

In some finch species, the difference between colorful males and muted females comes down to one gene, BCO2, which encodes an enzyme that degrades carotenoids. NIH’s plan to reduce indirect funds ...