Grey Plovers (Pluvialis squatarola) are striking migratory birds that have captured the attention of birdwatchers and nature enthusiasts alike. Often found gracing the shores of various continents, these birds boast an array of interesting characteristics. In this comprehensive guide, we'll delve into the taxonomy, physical features, habitat, diet, presence in Nepal, and exciting tidbits about Grey Plovers.
Taxonomy
The Grey Plover belongs to the family Charadriidae and is classified under the genus Pluvialis. It is also known by its other common name - Black-bellied Plover. Bearing similarities to other plovers within their family, Grey Plovers have distinct features that differentiate them from their counterparts.
Physical Features
Measuring approximately 27-30 cm in length and weighing 190-350 grams, adult Grey Plovers exhibit sexual dimorphism. Males showcase a stunning black belly and face during the breeding season while females possess a mottled white and brown plumage. Both sexes sport a white rump and black wingtips with characteristic white 'wing bars.' The birds' long legs make foraging in shallow waters or mudflats easy while their large rounded head gives them a distinctive appearance.
Fun Fact :
During each migration, Grey Plovers can cover distances up to 12,000 km (7,456 miles), at flight speeds up to 60km/h (37mph), which showcases their remarkable athleticism and endurance.
Habitat
Grey Plovers are known for their wide geographical distribution during migration. They breed in the Arctic Tundra and migrate along coastlines to spend their winter months in warmer regions such as Africa, Asia, Europe, Australia, Southern America, and New Zealand. They typically inhabit coastal areas like mudflats, estuaries, sandy beaches, or salt marshes during migration. These diverse habitats offer ample opportunities for feeding on various invertebrates.
Diet
Primarily feeding in intertidal zones, Grey Plovers forage by pecking or probing into the sand or mud looking for invertebrates, which make up the bulk of their diet. On occasion, they also consume small fish, insects and vegetation. Some common food sources for these birds include crustaceans, mollusks, marine worms, and insect larvae.
Presence in Nepal
Nepal is home to an array of avian species, including the Grey Plover. These birds are considered visitors to Nepalese wetlands and coastal areas during their migration season. Important birdwatching areas like Koshi Tappu Wildlife Reserve and Chitwan National Park have witnessed sightings of Grey Plovers, making it an exciting destination for bird enthusiasts hoping to catch a glimpse of these migratory marvels.
As we explore the captivating world of Grey Plovers, it's evident that these resilient birds are truly wonders of nature. Their fascinating taxonomy, unique physical features, diverse habitats, and intriguing presence in Nepal make them exceptional study subjects for bird enthusiasts around the globe.