• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Difference between revisions of "Blue-footed Booby" - BirdForum Opus

m (Adjust pictures due to layout problems)
(Taxonomy expanded. References updated)
Line 1: Line 1:
[[Image:Blue footed boobiesNeil.jpg|thumb|550px|right|Photo by{{user|Neil|Neil}}<br>Photographed:  Ecuador, [[The Galapagos]],  August, 2009]]
+
[[Image:Blue footed boobiesNeil.jpg|thumb|450px|right|Photo by{{user|Neil|Neil}}<br>[[Ecuador]], The [[Galapagos]],  August, 2009]]
 
;[[:Category:Sula|Sula]] nebouxii
 
;[[:Category:Sula|Sula]] nebouxii
 
==Identification==
 
==Identification==
Line 24: Line 24:
 
==Taxonomy==
 
==Taxonomy==
 
[[Image:20090313- DSC3063.jpg|thumb|300px|right|Courtship<br />Photo by {{user|bionicsherpa|bionicsherpa}}<br />Espaniola Island, [[Galapagos]], March 2009]]
 
[[Image:20090313- DSC3063.jpg|thumb|300px|right|Courtship<br />Photo by {{user|bionicsherpa|bionicsherpa}}<br />Espaniola Island, [[Galapagos]], March 2009]]
Subspecies ''nebouxii'' is found along the pacific coast of [[Mexico]] to [[Peru]], while ''excisa'' belongs in [[Galapagos Islands Ecuador|Galapagos]].
+
====Subspecies====
 +
There are 2 subspecies<sup>[[#References|[1]]]</sup>:
 +
*''S. n. nebouxii'':
 +
:*Pacific coast of [[Mexico]] to [[Peru]]
 +
*''S. n. excisa'':
 +
*:[[Galapagos Islands]]
 +
 
 
==Habitat==
 
==Habitat==
 
Open Sea but also quite often near coast in shallow waters, and may even occur as a visitor in inland waters.  
 
Open Sea but also quite often near coast in shallow waters, and may even occur as a visitor in inland waters.  
Line 33: Line 39:
 
'''Feeding''': When fishing, Blue-footed Boobies plunge headlong into the water with wings partly folded after a cirkling motion; they sometimes snatch flying-fish out of the air. Often in groups when fishing.  
 
'''Feeding''': When fishing, Blue-footed Boobies plunge headlong into the water with wings partly folded after a cirkling motion; they sometimes snatch flying-fish out of the air. Often in groups when fishing.  
 
====Breeding====
 
====Breeding====
[[Image:Blue-footed Booby1.jpg|thumb|300px|right|Photo by {{user|tehag|tehag}}<br />Nopoló, [[Baja California]] Sur, February 2005]]
+
[[Image:Blue-footed Booby1.jpg|thumb|300px|right|Subspecies ''nebouxii''<br />Photo by {{user|tehag|tehag}}<br />Nopoló, [[Baja California]] Sur, February 2005]]
 
Usually nests in colonies on islands or isolated cliffs where 2 or 3 chalky pale blue or green eggs laid on the ground.
 
Usually nests in colonies on islands or isolated cliffs where 2 or 3 chalky pale blue or green eggs laid on the ground.
 
====Vocalisation====
 
====Vocalisation====
 
Usually silent; trumpeting and whistling noises on breeding grounds.
 
Usually silent; trumpeting and whistling noises on breeding grounds.
 
==References==
 
==References==
#{{Ref-Clements6thDec09}}
+
#{{Ref-Clements6thAug15}}
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==
 
{{GSearch|Sula+nebouxii}}  
 
{{GSearch|Sula+nebouxii}}  
 
[[Category:Birds]][[Category:Sula]]
 
[[Category:Birds]][[Category:Sula]]

Revision as of 13:36, 3 October 2015

Photo byNeil
Ecuador, The Galapagos, August, 2009
Sula nebouxii

Identification

L. 32-34" (81-86 cm)

  • Long, pointed bill, wings and tail
  • Pale head and neck, streaked brown
  • Dark brown wings
  • White patches on nape and rump
  • Mantle barred with thin, white lines
  • Mostly white tail with dark corners on upperside
Immature
Photo by mikemik
Galapagos, Ecuador, November 2008
  • Brown below
  • Underparts white
  • White armpits
  • Two pale bars on underwing
  • Bright blue legs and feet
  • Gray bill

Immature: Darker overall with darker bill and duller feet.

Similar Species

Brown Booby lacks white patches on nape and rump; its feet are yellow or greenish yellow.

Distribution

The pacific coast of Mexico to Peru and Galápagos Islands.

Taxonomy

Courtship
Photo by bionicsherpa
Espaniola Island, Galapagos, March 2009

Subspecies

There are 2 subspecies[1]:

  • S. n. nebouxii:

Habitat

Open Sea but also quite often near coast in shallow waters, and may even occur as a visitor in inland waters.

Behaviour

Flight

Boobies fly fairly high over the ocean with steady, rapid, even strokes, followed by a short glide.

Diet

Feeding: When fishing, Blue-footed Boobies plunge headlong into the water with wings partly folded after a cirkling motion; they sometimes snatch flying-fish out of the air. Often in groups when fishing.

Breeding

Subspecies nebouxii
Photo by tehag
Nopoló, Baja California Sur, February 2005

Usually nests in colonies on islands or isolated cliffs where 2 or 3 chalky pale blue or green eggs laid on the ground.

Vocalisation

Usually silent; trumpeting and whistling noises on breeding grounds.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

Recommended Citation

External Links

Back
Top