Western Sandpiper


Western Sandpiper (Calidris mauri) Details

Calidris mauri is a small shorebird, measuring around 18 cm in length. It has a white belly, gray back, and a black head with a white stripe running down the center. It has a short, straight bill and long legs. It is found in coastal areas of the Pacific Ocean, from Alaska to Mexico, and breeds in the Arctic. Its lifespan is around 4-5 years, and its current population is estimated to be around 1.2 million.

Name Origin: Calidris mauri, commonly known as the Western Sandpiper, is a small shorebird that is found in the western parts of North America. The name Calidris is derived from the Greek word kalidris or skalidris, which means a small shorebird. The species name mauri is derived from the Latin word maurus, which means belonging to the sea.

Related Species: Calidris alpina, Calidris canutus, Calidris fuscicollis, Calidris maritima, Calidris minuta, Calidris pusilla, Calidris ruficollis

Calidris mauri scientific classification

Kingdom: Animalia

Phylum: Aves

Class: Aves

Order: Charadriiformes

Family: Scolopacidae

Genus: Pluvialis

Species: Sandpiper

Understanding the Western Sandpiper habitat

Calidris mauri is a migratory bird that prefers to live in coastal areas. They are most commonly found in mudflats, salt marshes, and estuaries. These areas provide them with plenty of food, such as small crustaceans, insects, and worms. They also provide protection from predators, as the shallow waters and tall grasses offer a safe place to hide. Other animals that can be found in the same habitat include ducks, geese, and shorebirds. The ideal living conditions for Calidris mauri are areas with plenty of food, shallow waters, and tall grasses.

Native country: N. America, S. America, Europe, Africa, Asia.

Native continent: They are found in North America, mainly in the United States.

Other organisms found in habitat: Sea grass, Kelp, Fish, Crabs, Worms, Mollusks, Seals, Sea lions, Penguins, Algae

Physical characteristics of the Calidris mauri

Appearance Summary: Calidris mauri is a small shorebird with a dark gray back, white underparts, and a white face with a black eye stripe. It has a short, thin, black bill and a short, dark gray tail. Its legs are yellow-green and its wings are dark gray with white edges. It has a white rump and a white line along the sides of its neck. It has a white eyebrow and a white throat. Its wings are long and pointed and its tail is short and square.

Facial description: Calidris mauri has a short, straight bill with a black tip. Its face is white with a black eye line and a black line extending from the bill to the back of the head. It has a white forehead and a white throat. Its upperparts are gray-brown and its underparts are white. It has a white rump and a white tail with a black central stripe.

What are the distinct features of Western Sandpiper? Small, plump, grayish-brown, white belly, white wingbar, short bill, short legs, thin neck, long wings, white rump, short tail, loud, high-pitched, twittering calls, forages in flocks, migrates in large flocks, feeds on insects, crustaceans, mollusks, worms, seeds, berries

What makes them unique?

Western Sandpiper body color description: Brown, gray, white, black

skin type: The exterior of Calidris mauri is smooth and glossy, with a light brown coloration and dark brown barring. Its feathers are soft and delicate, giving it a velvety texture.

Strengths: Camouflage, Migration, Adaptability, Flight, Foraging, Social Behavior

Weaknesses: Poor eyesight, Low reproductive rate, Limited habitat range, High susceptibility to environmental changes, Low genetic diversity

Common Western Sandpiper behavior

Calidris mauri behavior summary: Calidris mauri, commonly known as the Western Sandpiper, is a small shorebird that can be found in coastal areas of the Pacific Northwest. It has a distinctive, long-legged, wading style of walking, and is often seen in large flocks. It is a highly social species, and will often hide in vegetation or in the shadows of larger birds to avoid predators. When threatened, it will often fly away in a zig-zag pattern, making it difficult for predators to catch. It feeds on small invertebrates, such as insects, worms, and crustaceans, which it finds in the mudflats and shallow waters of its habitat.

How do they defend themselves? Calidris mauri, commonly known as the Western Sandpiper, defends itself from attacks by using its camouflage coloring to blend in with its environment. It also has the ability to fly away quickly if it senses danger. Additionally, it has a sharp beak that it can use to peck at predators.

How do Western Sandpiper respond to stimuli in their environment? Vocalizations, Visual Displays, Chemical Signals

Are they a fight or flight organism? Flight

How do Western Sandpiper gather food? Calidris mauri, commonly known as the Western Sandpiper, is a small shorebird that feeds on small invertebrates such as insects, crustaceans, and mollusks. It hunts by probing the mud with its bill and searching for food in shallow water. To survive, the Western Sandpiper needs to find enough food to sustain its energy levels and maintain its health. Challenges faced while searching for food include competition with other shorebirds, changes in the environment, and the availability of food sources.

How do Western Sandpiper communicate in their environment? They use a variety of vocalizations to communicate with other members of their species. They also use visual displays such as head bobbing and wing flicking to communicate with other birds. They also use tactile communication such as preening and bill tapping to interact with other birds.

Examples: They use visual displays, such as head-bobbing and wing-flicking; they use vocalizations, such as a loud, harsh “kip” call; they use tactile communication, such as bill-touching and preening.

How does the Western Sandpiper get territorial? Defend territory, Claim territory, Establish territory

Diet and Predators

Diet Summary: Calidris mauri primarily feeds on small crustaceans, mollusks, and insects. It also consumes small fish, worms, and larvae. Unhealthy and toxic foods for this organism include plastic and other debris, as well as pollutants and toxins found in the environment.

Predators: Calidris mauri, commonly known as the Western Sandpiper, is threatened by a variety of predators, environmental changes, and negative impacts to its population growth. These include predation from larger birds, changes in the availability of food sources due to climate change, and the destruction of its wetland habitats. All of these factors have the potential to significantly reduce the population of this species, making it increasingly vulnerable to extinction.

Threats: Habitat Loss, Pollution, Climate Change, Predation by Birds of Prey, Human Disturbance, Parasites, Disease

Life cycle & population of the Calidris mauri & Aves

Life cycle: Calidris mauri reproduces by laying eggs in a nest on the ground. The eggs hatch after about three weeks and the chicks are cared for by both parents. The chicks fledge after about three weeks and become independent after about two months. The adults moult and migrate to their wintering grounds in late summer. They return to their breeding grounds in the spring and the cycle begins again.

Average offspring size: 11.5-14.5 cm

Most common health issues: Respiratory Infections, Gastrointestinal Infections, Skin Infections, Eye Infections, Cardiovascular Disease, Stress-Related Disorders, Reproductive Disorders

Threats: Habitat Loss, Pollution, Climate Change, Predation by Birds of Prey, Human Disturbance, Parasites, Disease

Common diseases that threaten the Western Sandpiper population: Malnutrition, Parasitic Infections, Dehydration, Stress, Predation, Disease, Pollution, Habitat Loss

Population: Calidris mauri's population has been steadily decreasing since the early 2000s, with the lowest population count of around 1.5 million in 2018. The population peaked in the late 1990s at around 2.5 million. In the last ten years, the population has decreased by an average of 0.2 million per year.

Western Sandpiper Environment

How do Western Sandpiper adapt to their environment Calidris mauri, commonly known as the Western Sandpiper, is a migratory shorebird that has adapted to its environment by developing a long-distance migration pattern. This species is able to fly thousands of miles each year, from its breeding grounds in Alaska and Canada to its wintering grounds in Mexico, Central America, and South America. This adaptation allows the species to take advantage of the seasonal abundance of food sources in different regions.

What's their social structure? Calidris mauri, commonly known as the Western Sandpiper, is a small shorebird that lives in the Pacific Coast of North America. They are omnivorous, feeding on small invertebrates, crustaceans, and plant material. They are at the bottom of the food chain, and are preyed upon by larger birds, mammals, and fish. They live in large flocks, and interact with their family and species by communicating with each other through vocalizations and body language. They also form strong social bonds with other members of their flock, and will often migrate together.

How would you describe their survival instincts? They have a range of survival instincts that allow them to respond to their environment. They use their keen eyesight to detect predators and other potential threats, and they have a strong sense of hearing to detect changes in their environment. They also have a strong sense of smell to detect food sources and other organisms. They are able to respond quickly to stimuli, such as changes in temperature, light, and sound, by adjusting their behavior accordingly.