Pacific Golden Plover: Species Overview and Facts

The Pacific Golden Plover is a small to medium-sized shorebird that migrates thousands of miles each year, traveling from its breeding grounds in the Arctic tundra to its wintering grounds in the Pacific coastal regions of Asia and the Americas.

Its distinctive golden coloration and striking black stripe above its eye make it a recognizable species.

One of the most interesting facts about the Pacific Golden Plover is that it can be found on a variety of habitats, including beaches, mudflats, and grasslands.

These birds are known to be solitary, only coming together in large flocks during migration.

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The Pacific golden plover is a bird species that has a rich history of classification. It was formally described in 1789 by Johann Friedrich Gmelin in his revised edition of Carl Linnaeus's Systema Naturae.

The species was initially placed in the genus Charadrius, but it's now classified in the genus Pluvialis, which was introduced by Mathurin Jacques Brisson in 1760. The genus name Pluvialis means relating to rain, from the Latin word pluvia, which refers to the bird's tendency to flock when rain is imminent.

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Here are some key characteristics of the Pacific golden plover's taxonomy:

In terms of physical description, the Pacific golden plover is a relatively small bird, measuring about 25 cm in length and weighing around 135 g when fat-free. It has a distinctive appearance, with spotted gold and black plumage on the crown, back, and wings in breeding plumage.

The Pacific golden plover's taxonomy is a fascinating story. The species was formally described in 1789 by Johann Friedrich Gmelin.

Gmelin placed the Pacific golden plover in the genus Charadrius, but it's now classified in the genus Pluvialis, which was introduced by Mathurin Jacques Brisson in 1760. The genus name Pluvialis is Latin and means relating to rain.

The species was previously known as the "Fulvous plover", and Gmelin based his description on specimens from Tahiti. The specific epithet "fulvus" is Latin and means 'tawny' or 'yellowish-brown'.

The Pacific golden plover is a monotypic species, meaning no subspecies are recognized. It's currently listed as a least concern species by the IUCN Red List.

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The Pacific golden plover is a relatively small bird, measuring about 25 cm (9.8 in) in length.

Its wingspan is quite impressive, averaging 61 cm (24 in).

At its lightest, the bird weighs around 135 g (4.8 oz), but before migrating to its Arctic breeding grounds, it gains weight and can reach up to 200 g (7.1 oz).

In breeding plumage, the male Pacific golden plover is spotted gold and black on its crown, back, and wings.

The female has a similar appearance but with a mottled black breast and less distinct markings.

In nonbreeding plumage, the sexes look identical, with a dark brown, gray, and yellowish patterning replacing the black markings on the face and breast.

The Pacific golden plover's chicks are quite remarkable, with downy feathers spotted gold and black on their head and back, and whitish yellow underparts.

They even have adult-sized legs and feet at hatching.

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The Pacific golden plover is a migratory bird that breeds in Alaska and Siberia during May, June, and July. It's amazing to think that these birds can travel such long distances.

They migrate south to Asia, Australasia, and Pacific islands in August and September, and stay until April or May. Some birds even venture as far as western Europe, although this is a rare occurrence.

Pacific golden plovers can be found in a variety of habitats, including open spaces with short vegetation, grasslands, and coastal areas. They tend to avoid dense forests and prefer areas with easy access to food and water.

Here are some specific habitats where Pacific golden plovers can be found:

Some Pacific golden plovers choose to stay in their habitats year-round, while others migrate to warmer climates during the winter months.

The Pacific golden plover is a migratory bird that breeds in Alaska and Siberia from May to July.

It migrates to Asia, Australasia, and Pacific islands from August to September, and stays until April or May. A rare vagrant to western Europe.

During the breeding season, the Arctic tundra provides insects and berries for food, and effective camouflage for predator avoidance.

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In Hawaii, Pacific golden plovers have adapted remarkably to human presence and human alteration of the natural environment.

They can be found in backyards, parks, cemeteries, rooftops, pastures, and golf courses. Some observers name and feed their birds, and some birds become tame around their caretakers.

Pacific golden plovers gather in flocks some days prior to migrating north, and fly at altitudes of about 3,000 ft to as high as 16,000 ft.

Some birds do not migrate, usually first-year, older, injured individuals, or birds without enough fat reserves to make the journey.

Here are the different regions where Pacific golden plovers can be found:

Pacific golden-plovers are highly territorial during the breeding season, with each pair's territory size varying from 10 ha to 50 ha.

They will fiercely defend their territory with ground and aerial displays, vocalizations, chases, and fights, with displays being most intense near the nest.

Aggressive behavior like chases and aerial displays can occasionally lead to fighting, where the birds will try to peck each other in the wings, head, and feet.

Repeated series of chases, displays, and fights are common, and the birds will often forage mostly within their territory but also venture out to communal foraging spots.

On the other hand, territories on wintering grounds are much smaller, ranging from 0.4-0.5 ha, and some birds don't have any territory at all.

Male birds predominantly hold wintering territories, which they reclaim year after year, and they're held for the entire season.

The Pacific golden plover is currently listed as a species of Least Concern globally, according to the IUCN Red List dated 10/01/16. However, their population trend is decreasing due to habitat alteration and climate change.

Their population size is estimated to be around 190,000 to 250,000 individuals, which is a relatively large number.

Climate change is the biggest threat to their survival, causing shifts in vegetation cover in their tundra breeding range and rising sea levels in their tropical wintering range.

The Pacific golden plover is a relatively small bird, measuring about 25 cm (9.8 in) in length.

In terms of weight, these birds are quite light, weighing around 135 g (4.8 oz) at their lightest, fat-free state.

Before they leave for their Arctic breeding grounds, they gain weight, reaching about 200 g (7.1 oz).

In breeding plumage, the male Pacific golden plover has a distinctive appearance, with a spotted gold and black pattern on its crown, back, and wings.

The female is similar but with a mottled black breast and less distinct markings.

In nonbreeding plumage, both males and females have a similar appearance, with a dark brown, gray, and yellowish patterning on their face and breast.

Their downy chicks are quite adorable, with a spotted gold and black pattern on their head and back, and whitish yellow underparts.

At hatching, their legs and feet are already adult size.

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The Pacific golden-plover is a bird that's full of surprises when it comes to communication. They have a remarkable 9 different known calls.

These calls serve a variety of purposes, including breeding, alerting other birds to potential threats, and even territorial disputes. The repetitive call is a type of song sung during a breeding display for around 15-40 minutes.

The complex whistle is another song that follows the breeding display with the repetitive call, and the female echoes the call after the male. This level of complexity in their communication is truly remarkable.

The alarm/distraction call is used to alert other birds and both sexes are similar. This is a crucial call, as it helps the birds stay safe from predators.

The Pacific golden-plover also uses visual communication channels, such as visual displays, to convey information. This is in addition to their acoustic communication channels, like their various calls.

Here are the different types of communication channels used by the Pacific golden-plover:

In addition to these channels, the Pacific golden-plover also uses tactile, acoustic, and chemical perception channels to gather information about their environment. These channels are essential for their survival and success.

The Pacific golden-plover's use of different calls during different times of the year is also fascinating. During breeding season, they use distinct calls, while during winter, their calls are more varied and can include up to 20 different calls.

The Pacific Golden-Plover is a bird that's easy to spot due to its upright posture.

Its bill is relatively short, which is a notable characteristic.

This shorebird's face is a solid black color.

A striking white stripe extends from its forehead to its flanks, bordering its black underparts.

Its upperparts are a mottled mix of gold, black, and white hues.

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