Good evening, everyone! Do you know this bird often seen around rivers and seashores? It might be an Osprey.
Ospreys are about the same size as a crow or slightly larger, with a body length of approximately 58 to 64 cm. Both males and females are almost the same color. Their backs and the upper surface of their wings are black-brown, while their abdomen and the underside of their wings are white. Their face is also white, with a distinctive black-brown line running through their eyes to their neck.
They mainly inhabit coastal areas, lakes, and wide rivers, searching for prey in low-altitude flight. They are carnivorous, primarily known for eating fish. Their preference for fish has also earned them the nickname “Fish Hawk”. Their method of predation involves hovering in the air and then diving rapidly, stretching out both legs near the water surface to catch their prey. Their elegant and powerful flight, and the intensity of the moment they catch a fish, continue to fascinate us.
The structure of the Osprey’s feet is very unique. Their toes can be arranged with three in front and one behind, or two in front and two behind, known as the reversible toe. This special structure helps them to firmly grasp their prey. In 2012, this foot structure was one of the reasons they were classified into their own family, separate from the Hawk family!
Historically, Ospreys have been familiar in books. In the “Nihon Shoki,” they are mentioned as “Awake Birds,” and they also appear in “Taiheiki” and “Hojoki.” The origin of their Japanese name is believed to be derived from the sound they make when diving into water. Moreover, the Osprey is known as a “winter seasonal word,” deeply connected to Japanese culture. Their existence has influenced various aspects, such as ancient documents and sushi restaurant names.
Finally, there is a military aircraft named after this magnificent bird, the “Osprey.” However, the original Osprey continues to enchant us with its quiet yet powerful dance over the river surface. Next time you visit a riverside, try to spot this wonderful bird, the Osprey. Until next time, let’s meet again.
