Mourning Dove

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Mourning Dove
Mourning dove.jpg
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Columbiformes
Family: Columbidae
Genus: Zenaida
Species: Z. macroura
Binomial name
Zenaida macroura
(Linnaeus, 1758)
Winter only (blue), summer only (light green), and year-round (dark green) range
Winter only (blue), summer only (light green), and year-round (dark green) range

The Mourning Dove (Latin: Zenaida macroura) is a member of the dove family (Columbidae).[2] The number of individual Mourning Doves is estimated to be approximately 475 million.[3] Mourning Doves are light grey and brown. Both males and females look similar.

The species mostly have one partner at a time. Both parents incubate and care for their chicks. Adult Mourning Doves usually eat only seeds. The young are fed crop milk by the parents.

It is hunted both for sport and meat. Up to 70 million birds are shot in the United States. Its mournful woo-oo-oo-oo call gives the bird its name.[4] The bird is a strong flier, and can fly up to the speed of 88 km/h (55 mph).

Contents

[change] Taxonomy

The Mourning Dove is closely related to the Eared Dove (Zenaida auriculata) and the Socorro Dove (Zenaida graysoni). They are sometimes described as forming a "superspecies", and these three birds are sometimes put in the separate genus Zenaidura.[5] In addition, the Socorro Dove was once thought as in the same species as the Mourning Dove. However, differences in behavior, call, and appearance separate them as two different species.[6]

There are five subspecies of Mourning Dove:

  • Eastern Z. m. carolinensis (Linnaeus, 1766)
  • Clarion Island Z. m. clarionensis (C.H.Townsend, 1890)
  • West Indian Z. m. macroura (Linnaeus, 1758)
  • Western Z. m. marginella (Woodhouse, 1852)
  • Panama Z. m. turturilla (Wetmore, 1956)

The West Indian subspecies is found throughout the Greater Antilles.[7] It is also found in the Florida Keys.[8] The Eastern subspecies lives mainly in eastern North America, as well as Bermuda and the Bahamas. The Western subspecies is found in western North America and parts of Mexico. The Panamanian subspecies is located in Central America. The Clarion Island subspecies is found just off the Pacific coast of Mexico.[7]

The Mourning Dove is sometimes called the American Mourning Dove, because it may be confused with the distantly related African Mourning Dove (Streptopelia decipiens).[5] It also used to be known as the Carolina Turtledove or Carolina Pigeon.[9] The species' scientific name was given in 1838 by French zoologist Charles L. Bonaparte, honoring his wife, Princess Zénaide.[10] The "mourning" part of its name comes from its call.[4]

[change] Distribution

Brown dove perched on a wire against a blue sky background
Mourning Dove perched on a wire

The Mourning Dove has a large range of nearly 11 million square kilometers (6.8 million square miles).[11] It can also be seen throughout the Greater Antilles, most of Mexico, the Continental United States, and southern Canada. In the summer, the birds can be best seen at the Canadian prairies, and in the winter at southern Central America.[12] The species is a vagrant in northern Canada, Alaska,[13] and South America.[5] It has been seen at least seven times in the Palearctic ecozone with records from the British Isles (5), the Azores (1) and Iceland (1).[8] In 1963, the Mourning Dove was introduced to Hawaii, and in 1998 there was still a small population in Hawaii, North Kona.[14]

[change] Description

Dove sitting on gravel ground
In California, USA

The Mourning Dove is a medium-sized, slender dove. It weighs an average of 4 to 6 ounces (110 to 170 g).[15] It has a small head and a long tail. Mourning Doves have perching feet, with three toes forward and one behind. The legs are short and have a reddish color. The beak is small and dark, usually a mixture of brown-and-black.[8]

Its feathers are generally light gray-brown and lighter and more pink below. The wings may have black spots, and the outer tail feathers are white. The eyes are dark, with light skin around them.[8] The adult male has bright purple-pink patches on the sides of its neck, with light pink coloring up to the breast. Younger birds look more scaly and dark.[8]

All five subspecies of the Mourning Dove look similar and cannot be told apart easily.[8] The Western subspecies has longer wings, a longer beak, shorter toes, and is more lighter in color. The Panama Mourning Dove has shorter wings and legs, a longer beak, and is grayer in color. The Clarion Island subspecies has larger feet, a larger beak, and is darker brown in color.[7]

[change] Habitat

Dove standing perched on a wooden fence
Mourning Dove in an Orlando, FL neighborhood

The Mourning Dove lives in a wide variety of habitats, such as farms, prairie, grassland, and woods. It does not live in swamps or thick forests.[13] The species have also gotten used to living in places where humans are, such as in cities or near farmsteads.

[change] Sounds

This species' call is a cooOOoo-woo-woo-woooo, which is used by males when attracting a mate. Other sounds include a nest call (cooOOoo) by paired males to attract their mates to the nests, a greeting call (a soft ork) by males upon joining their mates again, and an alarm call (a short roo-oo) by either male or female when threatened. In flight, the wings make a fluttery whistling sound that is quiet and hard to hear, but is louder at take-off and landing.[8]

[change] Reproduction

Two doves in a tree, male dove sitting on top of female, with wings flapping
Mourning Doves mating

The male begins courtship by flying noisily, and then in a graceful, circular glide with its wings outstretched and head down. After landing, the male will go to the female with a puffed out breast, bobbing head, and loud calls. Once the pair is mated, they will often spend time preening each other’s feathers.[13]

The male then shows the female all the potential nest sites, and lets the female choose one and build the nest. The male will fly about, gather material, and bring it to her. The male stands on the female's back to give the material to the female, who builds it into the nest.[16] The nest is constructed of twigs, conifer needles, or grass.[7] Sometimes, mourning doves will take place of the unused nests of other Mourning doves, birds, or mammals such as squirrels.[17]

Most nests are in trees, but they can also be found in shrubs, vines, or on buildings[7] and hanging flower pots.[16] When there is no suitable place to nest above, Mourning Doves will nest on the ground.[7]

The nest is almost always big enough for exactly two eggs.[16] Sometimes, however, a female will lay her eggs in the nest of another pair, leading to three or four eggs in the nest.[18] The eggs are small and white. Both sexes incubate, the male from morning to afternoon, and the female the rest of the day and at night. Mourning Doves rarely leave their nest alone.[16]

Incubation takes two weeks. Young Mourning Doves need care very strongly, because they cannot hatch by themselves and are covered all over with down.[16] Both parents feed the squabs crop milk for the first 3–4 days of life. After that, they gradually begin to eat seeds. The feathers and wing muscles begin to develop for flight in about 11–15 days. This happens before the squabs are fully grown, but after they digest the adult food.[17] They stay nearby to be fed by their father for up to two weeks after fledging.[13]

Mourning Doves breed quickly. In warmer areas, these birds may raise up to six broods in a season.[13] This fast breeding is essential because they cannot live long. Each year, the mortality can reach 58% a year for adults and 69% for the young.[18]

The Mourning Dove does not easily leave its mate.[18] Pairs may sometimes remain together throughout the winter. However, lone doves will find new partners if necessary.

Hatching and growth
Single white egg in a nest of twigs Mother dove crouching in a nest with two chicks Two baby doves with sprouting feathers, sitting in a nest Greyish-brown dove standing against a green background
Egg in nest Nesting in progress Squabs A juvenile

[change] Ecology

Dove sitting in a nest
A female Mourning Dove incubating her eggs
A mourning dove parent sitting with two chicks in a nest
Parent and two chicks in Arizona, USA.

Mourning Doves eat almost only seeds, which make up more than 99% of their diet.[19] Rarely, they will eat snails or insects. Mourning Doves generally eat enough to fill their stomach and then fly away to digest while resting. They often swallow gravel or sand to help them digest. At bird feeders, Mourning Doves are attracted to corn, millet, and sunflower seeds. Mourning Doves do not dig or scratch for seeds, but only eat what they can see.[7] They will sometimes perch on plants and eat from them.[13]

Mourning Doves especially prefer pine nuts, sesame, and wheat.[7] When their favorite foods are absent, Mourning Doves will eat the seeds of other plants, including buckwheat and rye.[7]

Mourning Doves can be easily harmed with several different parasites and diseases, including tapeworms, nematodes, mites, and lice. The Trichomonas gallinae, a kind of parasite that lives in the mouth, is especially severe. While a Mourning Dove will sometimes be unharmed by it, it will often starve to death because of a yellowish growth in the mouth.

The greatest predators of this species are birds of prey, such as falcons and hawks. Other times, during nesting, corvids, grackles, house cats or rat snakes will prey on their eggs.[18] Cowbirds rarely parasitize Mourning Dove nests. Mourning Doves reject slightly under a third of Cowbird eggs in such nests, and the cowbirds cannot eat the Mourning Dove's vegetarian diet.[20]

[change] Behavior

Like other columbids, the Mourning Dove drinks without lifting or tilting its head. They often gather at drinking spots around dawn and dusk.

Mourning doves wash themselves in the sun or rain by lying on the ground or on a flat tree limb, leaning over, stretching one wing, and continuing this for up to twenty minutes. These birds can also take baths in shallow pools or bird baths. They may sometimes bathe themselves in the dust as well.

When they are not breeding, Mourning Doves roost in dense deciduous trees or in conifers. During sleep, the head rests between the shoulders, close to the body, and it does not tuck it under the shoulder feathers as most species do. During the winter in Canada, sometimes roosting is delayed on colder days.[21]

[change] Conservation status

Illustration of two pairs of mourning doves sitting in a bush of white flowers, one in a nest
Audubon's Carolina pigeon

The number of individual Mourning Doves is estimated to be approximately 475 million. The large population and its vast range explains why the Mourning Dove is considered to be of least concern, which means that the species is not at immediate risk.[11] Around 40–70 million birds are shot as game every year.[22]

[change] As a symbol and in the arts

The Eastern Mourning Dove (Z. m. carolinensis) is Wisconsin's official symbol of peace.[23] The bird is also Michigan's state bird of peace.[24]

The Mourning Dove appears as the Carolina Turtle-Dove on plate 286 of Audubon's The Birds of America.[9]

Mourning Doves are referred to often in American literature, and they can also be found in some American and Canadian poetry such as in the works of Robert Bly, Jared Carter,[25] Lorine Niedecker,[26] and Charles Wright.[27]

[change] Closest species

The Mourning Dove is thought to be the most closely related species to the Passenger Pigeon (Ectopistes migratorius), which was hunted to extinction in the early 1900s.[28][29][30] Because of this, it might be possible to use Mourning Doves for cloning the Passenger Pigeon.[31]

[change] References

  1. ↑ BirdLife International (2004). Zenaida macroura. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 2012-01-30. Database entry is reference for why this species is of least concern
  2. ↑ The bird is also called the Western Turtle Dove or American Mourning Dove or Rain Dove, and used to be known as the Carolina Pigeon or Carolina Turtledove.
  3. ↑ Mirarchi, R.E., and Baskett, T.S. 1994. Mourning Dove (Zenaida macroura). In The Birds of North America, No. 117 (A. Poole and F. Gill, eds.). Philadelphia: The Academy of Natural Sciences; Washington, DC: The American Ornithologists' Union.
  4. ↑ 4.0 4.1 "Pigeon". Encarta Online. Microsoft. Retrieved on 30 January 2012. 
  5. ↑ 5.0 5.1 5.2 South American Classification Committee American Ornithologists' Union. "Part 3. Columbiformes to Caprimulgiformes". A classification of the bird species of South America. http://www.museum.lsu.edu/~remsen/SACCBaseline03.html. Retrieved 2012-01-30. 
  6. ↑ "Check-list of North American Birds" (PDF). American Ornithologists' Union. 1998. pp. 225. http://www.aou.org/checklist/pdf/AOUchecklistPter-Apod.pdf. Retrieved 2012-01-30. 
  7. ↑ 7.0 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 Natural Resources Conservation Status p3
  8. ↑ 8.0 8.1 8.2 8.3 8.4 8.5 8.6 Jonathan Alderfer, ed. National Geographic Complete Birds of North America. pp. 303. ISBN 0-7922-4175-4. 
  9. ↑ 9.0 9.1 John James Audubon. "Plate CCLXXXVVI". Birds of America. ISBN 1-55859-128-1. http://www.abirdshome.com/Audubon/VolV/00506.html. Retrieved 2012-01-30. 
  10. ↑ "100 Birds and How They Got Their Names, by Diana Wells (Algonquin Books of Chapel Hill, 2002) p.193)
  11. ↑ 11.0 11.1 Birdlife International. "Mourning Dove - BirdLife Species Factsheet". http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=2554&m=0. Retrieved 2012-01-30. 
  12. ↑ "Mourning Dove (Zenaida macroura)" (PDF). Fish and Wildlife Habitat Management leaflet 31. National Resources Conservation Services (NRCS). February 2006. p. 2. http://www.sc.nrcs.usda.gov/intranet/Dick%20Yetter%20Information/Tech%20Notes%20for%20Web%20Site/Biology%20Tech%20Note_31_MourningDove.pdf. Retrieved 2012-01-30. 
  13. ↑ 13.0 13.1 13.2 13.3 13.4 13.5 Kenn Kaufman (1996). Lives of North American Birds. Houghton Mifflin. pp. 293. ISBN 0-395-77017-3. 
  14. ↑ "Check-list of North American Birds" (PDF). American Ornithologists' Union. 1998. pp. 224. http://www.aou.org/checklist/pdf/AOUchecklistPter-Apod.pdf. Retrieved 2012-01-30. 
  15. ↑ Miller, Wilmer J. (1969-01-16). "The biology and Natural History of the Mourning Dove". http://www.ringneckdove.com/Wilmer's%20WebPage/mourning__doves.htm. Retrieved 2012-01-30. "Mourning doves weigh 4-6 ounces, usually close to the lesser weight." 
  16. ↑ 16.0 16.1 16.2 16.3 16.4 "Mourning Dove". Cornell Lab of Ornithology. http://www.birds.cornell.edu/AllAboutBirds/BirdGuide/Mourning_Dove_dtl.html. Retrieved 2012-01-30. 
  17. ↑ 17.0 17.1 NRCS p. 4
  18. ↑ 18.0 18.1 18.2 18.3 NRCS p. 1
  19. ↑ "Mourning Dove, Life History, All About Birds - Cornell Lab of Ornithology". allaboutbirds.org. 2011 [last update]. http://www.allaboutbirds.org/guide/Mourning_dove/lifehistory/ac. Retrieved 2012-01-30. 
  20. ↑ Brian Peer; Eric Bollinger (October 1998). "Rejection of Cowbird eggs by Mourning Doves: A manifestation of nest usurpation?" (PDF). The Auk. http://elibrary.unm.edu/sora/Auk/v115n04/p1057-p1062.pdf. Retrieved 2012-01-30. 
  21. ↑ Doucette, D.R., and Reebs, S.G. (1994) Influence of temperature and other factors on the daily roosting times of Mourning Doves in winter. Canadian Journal of Zoology 72: 1287-1290.
  22. ↑ Sadler, K.C. (1993) Mourning Dove harvest. In Ecology and management of the Mourning Dove (T.S. Baskett, M.W. Sayre, R.E. Tomlinson, and R.E. Mirarchi, eds.) Harrisburg, PA: Stackpole Books.
  23. ↑ Government of Wisconsin. "State Symbols". http://www.wisconsin.gov/state/core/wisconsin_state_symbols.html. Retrieved 2012-01-30. 
  24. ↑ Tamara Audi (2006-10-16). "Dove hunting finds place on Mich. ballot". USA Today. http://www.usatoday.com/news/nation/2006-10-16-dove-hunting_x.htm. Retrieved 2012-01-30. 
  25. ↑ "Jared Carter Poetry :: Poems :: 'Mourning Doves'". jaredcarter.com. 2012. http://www.jaredcarter.com/poems/6/. Retrieved 2 February 2012. 
  26. ↑ "Lorine Niedecker Poetry Selections". web.archive.org. 2012. http://web.archive.org/web/20101018031836/http://www.lorineniedecker.org/poems.html. Retrieved 2 February 2012. 
  27. ↑ Meditation on Song and Structure from Negative Blue: Selected Later Poems by Charles Wright
  28. ↑ "Save the Doves - Facts". savethedoves.org. 2006. http://www.savethedoves.org/facts.html. Retrieved 2 February 2012. 
  29. ↑ "Biography of Mourning Dove". ringneckdove.com. 2006. http://www.ringneckdove.com/Wilmer%27s%20WebPage/mourning__doves.htm. Retrieved 2 February 2012. 
  30. ↑ "Dove History | MDC". mdc.mo.gov. 2012. http://mdc.mo.gov/discover-nature/outdoor-recreation/nature-viewing/birding/mourning-doves-missouri/dove-history. Retrieved 2 February 2012. 
  31. ↑ "Cloning Extinct Species, Part II". tiger_spot.mapache.org. 2011 [last update]. http://tiger_spot.mapache.org/Biology/extinct2.html. Retrieved 2 February 2012. 

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