The Puerto Rican woodpecker (''Melanerpes portoricensis'') is the only

woodpecker Woodpeckers are part of the bird family (biology), family Picidae, which also includes the piculets, wrynecks and sapsuckers. Members of this family are found worldwide, except for Australia, New Guinea, New Zealand, Madagascar and the extreme ...

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to the

archipelago An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands. An archipelago may be in an ocean, a sea, or a smaller body of water. Example archipelagos include the Aegean Islands (the o ...

Puerto Rico ; abbreviated PR), officially the Commonwealth of Puerto Rico, is a Government of Puerto Rico, self-governing Caribbean Geography of Puerto Rico, archipelago and island organized as an Territories of the United States, unincorporated territo ...

and is one of the five species of the genus ''Melanerpes'' that occur in the

Antilles The Antilles is an archipelago bordered by the Caribbean Sea to the south and west, the Gulf of Mexico to the northwest, and the Atlantic Ocean to the north and east. The Antillean islands are divided into two smaller groupings: the Greater An ...

. Furthermore, it is the only resident species of the family Picidae in Puerto Rico. The species is common on the main island of Puerto Rico and rare on the island of

Vieques Vieques (; ), officially Isla de Vieques, is an island, town and municipality of Puerto Rico, and together with Culebra, it is geographically part of the Spanish Virgin Islands. Vieques lies about east of the mainland of Puerto Rico, measuri ...

Description

The Puerto Rican woodpecker has a black body and a bright red throat and breast. It has a white patch that runs across the head from eye to eye. Its flanks and lower body have a light

tangerine The tangerine is a type of citrus fruit that is orange in colour, that is considered either a variety of the mandarin orange (''Citrus reticulata''), or a closely related species, under the name ''Citrus tangerina'', or yet as a hybrid (''Citr ...

coloration. As with the majority of birds

sexual dimorphism Sexual dimorphism is the condition where sexes of the same species exhibit different Morphology (biology), morphological characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecy, di ...

is present in this

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

. The

male Male (Planet symbols, symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, or Egg cell, ovum, in the process of fertilisation. A male organism cannot sexual repro ...

s' throat and breast are more brightly colored than the females' with females tending to be all-around duller in coloration. There is also a substantial (~18%) difference in bill length between sexes.

Also males are slightly bigger than females. Its average weight is 56.0 grams. Its body length varies between 23 and 27 centimetres.

Distribution

The Puerto Rican woodpecker is a common and widely distributed species in Puerto Rico, mainly occurring in forests, coffee plantations, mangroves, palm tree groves, parks and gardens. Besides occurring in Puerto Rico it once inhabited the island of St. Croix. This stems from the fact that during the

Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...

epoch In chronology and periodization, an epoch or reference epoch is an instant in time chosen as the origin of a particular calendar era. The "epoch" serves as a reference point from which time is measured. The moment of epoch is usually decided b ...

Puerto Rico, Vieques, Culebra, St. Croix and the other

Virgin Islands The Virgin Islands () are an archipelago between the Atlantic Ocean, North Atlantic Ocean and northeastern Caribbean Sea, geographically forming part of the Leeward Islands of the Lesser Antilles in the Caribbean, Caribbean islands or West Indie ...

constituted a single landmass. It is believed that at this time the species extended its range to St. Croix and Vieques.

Behavior

The Puerto Rican woodpecker is said to resemble the behavior and structure of the North American red-headed woodpecker (''Melanerpes erythrocephalus''). Like the majority of woodpeckers this species uses its bill to drill holes in trunks in search of prey. The principal component of its diet are insects such as

ant Ants are Eusociality, eusocial insects of the Family (biology), family Formicidae and, along with the related wasps and bees, belong to the Taxonomy (biology), order Hymenoptera. Ants evolved from Vespoidea, vespoid wasp ancestors in the Cre ...

beetle Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

larvae and others. Fruits are also important, composing one-quarter of its diet. Rarely it may eat

scorpion Scorpions are predatory arachnids of the Order (biology), order Scorpiones. They have eight legs and are easily recognized by a pair of Chela (organ), grasping pincers and a narrow, segmented tail, often carried in a characteristic forward cur ...

gecko Geckos are small, mostly carnivorous lizards that have a wide distribution, found on every continent except Antarctica. Belonging to the infraorder Gekkota, geckos are found in warm climates. They range from . Geckos are unique among lizards ...

s and

coquí Coquí is a common name for several species of small frogs in the genus ''Eleutherodactylus'' native to Puerto Rico. They are Onomatopoeia, onomatopoeically named for the very loud mating call which the males of two species, the common coqui an ...

s. Females lay from 1 to 6 white eggs in cavities carved by males. The nests of ''M. portoricensis'' are used by other Puerto Rican endemic birds such as the Puerto Rican flycatcher (''Myiarchus antillarum'') and the

yellow-shouldered blackbird The yellow-shouldered blackbird (''Agelaius xanthomus''), known in Puerto Rican Spanish as ''mariquita de Puerto Rico'' or ''capitán'', is a species of blackbird endemic to Puerto Rico. It has black plumage with a prominent yellow patch on the ...

(''Agelaius xanthomus'').

References

External links

* * {{Taxonbar, from=Q1271247 Puerto Rican woodpecker Endemic birds of Puerto Rico Puerto Rican woodpecker Puerto Rican woodpecker

Description

Distribution

Behavior

See also

References

External links