1. Guias
  2. Sankofa Wetland Park & Nature Trail
  3. Blue-gray Gnatcatcher

Blue-gray Gnatcatcher

Polioptila caerulea

Summary 44

The blue-gray gnatcatcher or blue-grey gnatcatcher (Polioptila caerulea) is a very small songbird, 10–13 cm (3.9–5.1 in) in length and weighing only 5–7 g (0.18–0.25 oz). Adult males are blue-gray on the upperparts with white underparts, have a slender dark bill, and a long black tail edged in white. Females are less blue, while juveniles are greenish-gray. Both sexes have a white eye ring.

Breeding 45

Both parents build a cone-like nest on a horizontal tree branch, and share feeding the young. The incubation period is 13 days for both sexes, and two broods may be raised in a season.

Sounds 45

The songs (and calls) are often heard on breeding grounds, (usually away from nest) and occasionally heard other times of the year. Calls: "zkreee, zkreee, zkreee", Songs: "szpree zpree spreeeeey spree spre sprzrreeeee"

Summary 46

The blue-gray gnatcatcher or blue-grey gnatcatcher (Polioptila caerulea) is a very small songbird, 10–13 cm (3.9–5.1 in) in length, 6.3 in (16 cm) in wingspan, and weighing only 5–7 g (0.18–0.25 oz). Adult males are blue-gray on the upperparts with white underparts, have a slender dark bill, and a long black tail edged in white. Females are less blue, while juveniles are greenish-gray. Both sexes have a white eye ring.

Fontes e Créditos

  1. (c) Jerry Oldenettel, alguns direitos reservados (CC BY-NC-SA), http://www.flickr.com/photos/7457894@N04/4196627607
  2. (c) Diana Robinson, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dianasch/48881362903/
  3. (c) Skip Russell, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/skipr/32330297891/
  4. (c) lamoustique, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/11815777@N07/12214891956/
  5. (c) Dennis Church, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dfc_pcola/43129493721/
  6. (c) Dennis Church, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dfc_pcola/31873199841/
  7. (c) Jen Goellnitz, alguns direitos reservados (CC BY-NC), https://www.flickr.com/photos/goellnitz/26514224501/
  8. (c) Dennis Church, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dfc_pcola/24294425300/
  9. (c) Kelly Colgan Azar, alguns direitos reservados (CC BY-ND), https://www.flickr.com/photos/puttefin/14053122975/
  10. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/29302266854/
  11. (c) Dawn Beattie, alguns direitos reservados (CC BY), https://www.flickr.com/photos/pics4dawn/10828008123/
  12. (c) Dennis Church, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dfc_pcola/49604403182/
  13. (c) Dennis Church, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dfc_pcola/50367559402/
  14. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/50299836317/
  15. (c) Tom Benson, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/40928097@N07/33943953176/
  16. (c) Jon Cox, alguns direitos reservados (CC BY-NC), https://www.flickr.com/photos/154347912@N05/27286739067/
  17. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/33555335770/
  18. (c) Tom Benson, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/40928097@N07/40594875914/
  19. (c) Andrew Cannizzaro, alguns direitos reservados (CC BY), https://www.flickr.com/photos/acryptozoo/25795689824/
  20. (c) Alan Vernon, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/alanvernon/31753583507/
  21. (c) Howard Patterson, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/74113421@N03/49754590627/
  22. (c) Putneypics, alguns direitos reservados (CC BY-NC), https://www.flickr.com/photos/38983646@N06/33679146864/
  23. (c) Dendroica cerulea, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/dendroica/33905213071/
  24. (c) Alan Vernon, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/alanvernon/46729756241/
  25. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/48963776703/
  26. (c) Jonathan Coffin, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/stonebird/49004220482/
  27. (c) JanetandPhil, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dharma_for_one/49875169908/
  28. (c) Dendroica cerulea, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/dendroica/33905213971/
  29. (c) Tom Benson, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/40928097@N07/26515133754/
  30. (c) David A. Hofmann, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/23326361@N04/37455752842/
  31. (c) JanetandPhil, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dharma_for_one/41441438764/
  32. (c) Kelly Colgan Azar, alguns direitos reservados (CC BY-ND), https://www.flickr.com/photos/puttefin/8652929371/
  33. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/29779167286/
  34. (c) Sasha Azevedo, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/sashajazevedo/40583844834/
  35. (c) William Levine, alguns direitos reservados (CC BY-NC), https://www.flickr.com/photos/89907756@N08/24438850125/
  36. (c) Dendroica cerulea, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/dendroica/13956154643/
  37. (c) Sharon Lee, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/119714073@N07/47953743883/
  38. (c) Sasha Azevedo, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/sashajazevedo/40583844994/
  39. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/39124486095/
  40. (c) David A. Hofmann, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/23326361@N04/23162842930/
  41. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/48397992261/
  42. (c) JanetandPhil, alguns direitos reservados (CC BY-NC-ND), https://www.flickr.com/photos/dharma_for_one/35503592795/
  43. (c) Mary Keim, alguns direitos reservados (CC BY-NC-SA), https://www.flickr.com/photos/38514062@N03/42980743180/
  44. Adaptado por Tricia LeBlanc de uma obra de (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Blue-gray_gnatcatcher
  45. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Blue-gray_gnatcatcher
  46. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Polioptila_caerulea

Mais informações

BioDiversity4All Mapa

Membro da Rede iNaturalist   |   Desenvolvido por software de código aberto do iNaturalist |   Documentação para programadores