In Three herons; one, with its wings outstretched, snatches a frog from the river, while another takes off, we see three herons in a lively river setting. The heron in the foreground is depicted with its wings fully spread, capturing a frog, while another heron is taking flight. The colors are naturalistic, with shades of blue and green reflecting the water and foliage.

The scene captures a moment of action and interaction among the birds. This artwork is an etching, a technique that allows for fine detail and texture. The lines are crisp, showcasing Hollar's skill in capturing the delicate features of the herons and the rippling water. The composition is dynamic, drawing the viewer's eye to the action of the herons.

The use of light and shadow adds depth to the scene. Wenceslaus Hollar was a Czech artist known for his detailed etchings and landscapes. This work, created in the Dutch Golden Age style, reflects the artist's interest in nature and wildlife. An interesting fact about this piece is that it exemplifies Hollar's ability to blend realism with a sense of movement, making the viewer feel as if they are witnessing a live moment in nature.

Hollar's works were influential in the development of landscape art in Europe.