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Nazca Boobies

Nazca  Boobies
Photo Information
Copyright: James Parker (Jamesp) Gold Star Critiquer/Gold Note Writer [C: 1369 W: 9 N: 6334] (18906)
Genre: Animals
Medium: Color
Date Taken: 1990-08
Categories: Birds
Photo Version: Original Version
Date Submitted: 2008-07-22 11:51
Viewed: 4468
Points: 42
[Note Guidelines] Photographer's Note
This is a scanned slide

The Nazca Booby, Sula granti, is a booby which is found in the eastern Pacific Ocean, namely on the Galápagos Islands where it can be seen by eco-tourists, and on Clipperton Island. The Revillagigedo Islands off Baja California which possibly constitute its northeasternmost limit of its breeding range.

It was formerly regarded as a subspecies of the Masked Booby but the Nazca Booby is now recognized as a separate species. They differ in regard to ecological and morphological as well as mtDNA cytochrome b sequence data. The Nazca Booby co-occurs with the Masked Booby on Clipperton Island, where they may rarely hybridize.

Nazca boobies are known for practicing habitual siblicide. They lay two eggs, several days apart. If both eggs hatch, the elder chick will push its sibling out of the nest area, leaving it to die of thirst or cold. The parent booby will not intervene and the younger chick will inevitably die. It is believed that two eggs are laid so that one remains an insurance in case the other gets destroyed or eaten e.g. by gulls, or the chick dies soon after hatching. In a study published in PLoS ONE (June 18, 2008), biologists linked the murderous behavior to high levels of testosterone and androgens found in the hatchlings. According to the study, the high hormone levels also cause the surviving chicks to behave like bullies after they grow up. They frequently seek out nestlings in their colony, and during those visits they often bite and push around the defenseless youngsters.

Its name was given in honor of Spain. It also is known as Hood after an English nobleman. It has an area of 60 square kilometres (23 sq mi) and a maximum altitude of 206 metres (676 ft).


Española is the oldest island at around 3.5 million years and the southernmost in the chain. The island's remote location has a large number of endemic fauna. Secluded from the other islands, wildlife on Española adapted to the island's environment and natural resources. marine iguanas on Española are the only ones that change color during breeding season.

The Waved Albatross is found on the island. The island's steep cliffs serve as the perfect runways for these large birds which take off for their ocean feeding grounds near the mainland of Ecuador and Peru.

Española has two visitor sites. Gardner Bay is a swimming and snorkeling site as well as offering a great beach. Punta Suarez has migrant, resident, and endemic wildlife including brightly colored Marine Iguana, Española Lava Lizards, Hood Mockingbirds, Swallow-tailed Gulls, Blue-footed Booby,Red-Footed Booby and Nazca Boobies, Galápagos Hawks, a selection of Finch, and the Waved Albatros.

nglen, Argus, pekkavalo1, CeltickRanger, jaycee, uleko, albert, haraprasan, Dis. Ac., jusninasirun, Luis52, Royaldevon, rousettus, Evelynn, eqshannon, boreocypriensis, Kathleen, hester has marked this note useful
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Critiques [Translate]

  • Great 
  • nglen Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 2883 W: 30 N: 9683] (36145)
  • [2008-07-22 11:59]

Hi james. You have bben traveling all over for many years this is 28 years old. But that dose not change the fact its still a fine shot of the two Booby. They look very big close up . the young chicks seem to go through it. TFS interesting notes too.

  • Great 
  • Argus Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 5038 W: 260 N: 15594] (50626)
  • [2008-07-22 12:51]

Hello James,
Another great scan from your archives!
This time a a fine capture of a Nazca Booby pair taken what looks like difficult lighting but well managed.
Thanks for this fine glimpse of this rare indigenous species.

Hi James,
Very good capture of these Nazca Boobies. The result is excellent taken the harsh sunshine and the fact that this is an old scanned photo. Details are still good and sharp. The composition is excellent and the colours are bright natural.

  • Great 
  • efsus Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 415 W: 11 N: 843] (3947)
  • [2008-07-22 13:35]

Merhaba James,
Doğal yaşam alanında çekilmiş güzel bir kare. Çok güzel bir kompozisyon olmuş. Elinize sağlık. Hüseyin.

Ah... let's hear it for hormones!!!!!!!!!! I was enjoying your boobies until I read your note! Ah man! I like to view nature through rose colored glasses if you please! It doesn't sound as if they are as bad as the coots. I wish I'd never learned about their behavior.

It is a nice photo though, and those two sure look intent on something. They don't look nasty! : P

Evelynn : )

hello James

excellent shot of your archives from 1990 !
trough your photographys we are traveling around the world,
fine POV and DOF, i love both birds pose and expressions
on their glance, as usual excellent sharpness and details, TFS


  • Great 
  • jaycee Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 2454 W: 10 N: 8044] (25460)
  • [2008-07-22 16:49]

Hi James,

A beautiful pair of Boobies from the Galapagos. You are taking me to all the places I have yet to visit. Wonderful setting, colors and details.


  • Great 
  • demeve Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 586 W: 12 N: 1682] (6165)
  • [2008-07-22 21:26]

Hello James,
Very nice presentation of this two Boobies. Great POV,
very nice composition and sharp details. Galapagos must
be amazing.. Well done


  • Great 
  • uleko Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3396 W: 172 N: 3310] (10940)
  • [2008-07-22 22:07]

Hello James,
Amazing quality of this scanned slide showing sharp details and fine colours of these two beautiful Boobies. They look great against the black rocky background. A very fine composition too. Very interesting note too!
Many thanks, Ulla

Hello James
It's amazing what you can get with scanned slide, the lost of sharpness is minimized
This is a very good photo with the right dark BG

Hi James,
A nice capture of these Nazca Booby Birds. Superb composition and sharp details. Thanks a lot for sharing.

hi James,

So this one are really old 18 years.
you traveled a lot and you must be a lucky man.

Very goood picture, I cannot see these one are scanned.


Hello James. This is such a wonderful capture of the pair in excellent light and exposure. The vivid detail of the plumage and the sharpness of the image is very well observed. Thanks for sharing and best regards. Jusni

Hello James,

This is a fine composition with the two ready to do a duet! The details are excellent and the light manangement, perfect for what seem like a very bright day!

Kind regards,
Bev :-)

hello James
very beautiful capture for lovely Boobies. Great timing and focus. Nicely composed. Thanks for sharing, best wishes

Hello James,
Nicely done 'boobies' and as always a matching and in-depth photographer's note.
It's been a while since you've been uploading. I hope you are okay...

Witaj James,
Excellent composition. And the beautiful the pair the of the Boobies the from the the of Galapagos. Wonderful setting, colors and details.
I congratulate this steam and greet warmly - Roma

Wonderful James and welcome back! It is clear, sharp, to the point of the birds and well explained. Just letting you know I know you are here lurking:-) You're a good man Charley Brown!


Hi my friend James,
A perfect shot of this beautiful pair of Mazca booby. TFS.
Greetings from TRN Cyprus

  • Great 
  • hester Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 1515 W: 18 N: 3165] (11638)
  • [2008-08-25 13:13]

Hi James

What a nice pair of Boobies....well someone had to say it :)

If have never seen a Booby so these are wonderful to see. I love the sharp details, the framing and the great natural setting. In this case I am glad the BG is not blurred as it makes a great setting



amazing pair, TFS Ori

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