The Dragon Bird { Green Peafowls

" -unless the family unit of peafowl want to attract my pet ferret Wizzle to mate with him, Darwin's theory doesn't hold water.

Quill music and foot stomping are how the peafowl let the reptile ( which can neither hear no see with the same senses as warm-blooded creatures) that the peafowl is not appropriate food and that it is potentially dangerous. The peafowl is not bluffing. A great deal of this ritualised display conceals vulnerable regions of the bird, in anticipation of the inevitable strike of an angry reptile put on defense. The peafowl intentionally instigates the reptile to strike- and repeatedly- so that it can use its most powerful weapons. The peafowl uses its legs to flog -a double set of hard, slender clubs, armed with powerful kicking thorns- the equivalent of fangs in the shape of thorns- and there are the clawed feet themselves- the wings and pecking beak are involved as well- but essentially, the train is a matador's cape designed for the peacock to engage in close combat with the python and the varanid and the civet cat...

That was a long digression. The scepter plumes are not only the longest quills in the train, they are also the most structurally sound. They are the strongest plumes in the train and are most useful during a specific sort of nest defense stratagem- the scepter plumes deserve a thread of their own.
The sickle feathers have a very special role in anti-predation and nest defense as well as intention display aka "showing off" as well. These plumes obscure the wings and further confuse the target that is being threatened.

The rump- is of course where the physical back of the bird ends and the half foot span of those first few exquisite rows of upper tail coverts begins. Here is where the smallest little "eye spots" are situated. I learned in India and amongst Javanese Hindus in Java that each region of the peacock's train - all moulted naturally- each plume belongs to one of a number of topographic regions associated with the iconography of the deity Vishnu . I won't go into full convoluted metaphysics of the firmament of Vishnu at this point in time- suffice to say- there is a scepter- a sickle, a mace, conch, penumbrae and umbrae. Penumbrae is the term for tiny eyes in the train. Umbra for the larger ones.
Mace plumes are those feathers that lack an ocelli, which bridge scepter plumes from umbrae plumes. The conch plumes are those sickles with eyes- the longer sickles with just a vestige of an ocelli are referred to as serpents. Before you gasp in exasperation know that I'm not creative enough to make this terminology/vernacular up on my own. This is how the most sacred bird of Hinduism is broken down into parts- and these parts when moulted were highly symbolic for the adherents of this ancient faith.

I'm relating them as a guide to discussion. I don't expect anyone but a natural history illustrator to adopt the lingo as it's really only helpful in the shared description of what would otherwise be very challenging"




I know my peafowl will show off and rattle their tales at my emu, and if the unsuspecting emu keeps advancing, they will jump up at their faces and chase them. My peafowl have made a game out of chasing the emu............. if they could smile I am sure that is what they would be doing as they chase the emu unmercifully up and down the fence line.
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They surely have the bravery to take on larger threats then themselves.
 
Hi Resolution,
Here's my drawing of pavo cristatus singhalensis., regarding colours & pattens.
Can you correct this for me.
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Clinton.

P.S. How many black secondaries p.c.singhalensis peacock have ???

I have a wing of a feral p.c.cristatus, it had 10 black secondaries.
 
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Amazing work as usual Clinton. The two forms share the same number of secondaries but singhalensis has a few black tertials as well as black secondaries. These remiges are more richly glossed in indigo with violet and cerulean highlights. They seem to lack a turquoise tint altogether-the nominate form has so much more turquoise. Your attention to detail of the scapulars and tertials, the secondary wing speculum - outstanding- nevertheless, more attention needs to be given to the wing speculum- the pigments are vertically deposited not horizontally. The depth of prismatic colour and the colour spectrum itself -needs a bit of attention- the nominate cristatus lacks any hint of violet much less purple but the singhalensis subspecies exhibits a substantially larger wing speculum- and the prismatic effect of iridescence is akin with that of the Paradise Riflebird. You've captured the size and shape of the speculum. The velvet black of the larger secondary coverts is darker still than that of the nominate form. I Think the shape of these covers is wider in the Sri Lanka form.



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So what is a wing speculum anyway?
a. speculum
b. speculum




You'll notice that Dabbling Ducks's speculums cover a different region of the wing than those of peafowl and other Gallomorphs.

But to be clear, the topography of every bird wing is essentially similar.
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Anatomy Upper Wing
Let's discuss the Pavonine Speculum as this is the one region of each peafowl species- including the four argus species, this is the region that enables identification as each species exhibit its own unique wing speculum.

In cristatus the speculum is isolated to the greater secondary coverts.

In

In Green and Afropavo peafowls this region of specialized plumes begins at the marginal coverts and extends over regions of the lesser secondary coverts, the median secondary coverts, and greater secondary coverts. Unlike cristatus , Congo and Green Peafowls orient their wings in such a matter that the lesser secondary coverts are exposed during frontal threat and other behavioral displays where the train is fanned out and the bird orients itself at whatever is directly in front of it.

While cristatus lacks the exquisite penumbrae of the lesser secondary coverts we see in Green Peafowls, the barring and pigmentation differs between its two forms.


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note, there is next to no gap between secondaries and primaries, indeed there is a special plume that bridges the two, enabling level flight.
The wingspan of a wild Indian Peafowl is ~ (130 cm)/ 4' 18". The wingspan of the Sri Lanka Peafowl ~4' 21". The domest Indian Peafowl's wing span is substantially shorter, even feral birds.
Just make sure you shrink the neck and body to fit with the proportion of the wild bird- not feral peafowl descended of domestic peafowl. An analogous case- wild Red Junglefowl have substantially larger wing spans in direct proportion of their bodies than feral chickens, though fully flighted and for all intensive purposes wild- in the Florida Keys.

subspecies are more common than you think]subspecies[/url]

There's a certain degree of skepticism regarding the validity or significance of subspecies and geographic forms of peafowl I'll let those individuals reflect on accepted nomenclature of different forms of waterfowl, the Canada Brant for example, which are exceedingly difficult to distinguish. Few would argue the validity of these forms. Eventually the same will be said of peafowl forms.
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Rajastahnpeahenwithchickcristatus.jpg

A mistake that many have made that this generation can ill afford to, is to fail to give equal, if not more emphasis on the identification and distinction between females of all forms. This is absolutely critical.

In generations past all focus has been on males with females given barely a passing mention, even in species like the Congo Peafowl and Roul Roul, the Crawfurd's Kalij, species where the female is arguably the more visually arresting.

Is it any wonder we can't tell one species apart from the next or comprehend their conservation when we have so little invested in and value so little the females?

When we look at mortality figures of most species of captive wild birds, we see it is the females that suffer the most. A great deal can be blamed on our failing to adequately prepare captive habitats and diets- adjusting them for the comfort of the female of whatever species we are working with.


Once everyone is comfortable with how the males have been illustrated and described, let's clean up this thread, transfer the illustration to a new thread- -wait on that until the Javanese, Deqen, Congo and other forms are complete and then let's meet over at a new thread dedicated to females.
 
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Hi Resolution,
I'm still making illustrations...

adult male pavo imperator tonkinensis
adult male pavo javanese
Black-shouldered peacock

Please can you send me the photoes of open wings and alive standing birds of pavo javanese & pavo imperator tonkinensis, for me to make illustrations, yes this illustrations will be all adult male peafowls only.

I had corrected the pattens & colours of pavo cristatus cristatus & pavo cristatus singhalensis & pavo imperator siamensis & pavo annamensis bokorensis, ...all of them are in page 6 now.

Clinton.
 
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Someone's probably already posted this for the discussion, but in case they haven't I'd like to share with you guys a favorite "flight" video. It's a high speed capture slowed way down, great imagery of the flight feathers in motion.

 
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Do you raise currently keep peafowl? If so your prize will be mailed to you. Please private message me your mailing address.
 
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I'm searching- the open wing of a Tonkin imperator is back on I don't recall what page but i should move it- yeah ill just move it up here

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Tonkin imperator wing- sorry that the wing coverts are obscure- at that moment I was more interested in wing formula- the relationship of primaries to secondaries- the individual lengths and widths of individual wing quills- -I'm not going to handle this bird again- he's feral in Newport Beach on the back bay near my grannies ranch.
 
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Hi Resolution,
I made a new topic for my illustrations of adult male peafowls.

Clinton.
 

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