Practically all my photos are taken with a telephoto lens, a Nikon 70-300 VR.
These type of lenses are typically used when taking photos of wild animals and birds.
But, their short focal length makes them very useful for taking photos of wildflowers and butterflies too.
The short focal length allows for a sharp focus on an element of a flower or the eye of a butterfly. Everything else in the photo dissolves to a blur. This effect minimizes the distractions in the photo.
Below are three photos showing the beneficial aspects of a short focal length.