Iridescence

The iridescence of some birds’ feathers is remarkable, including some that I’ll share today like bronzewings, ducks, ibis, Emerald Dove, peacock, Welcome Swallow and the absurdly named Black-necked Stork.

Black-necked Stork

I was staggered when this beautiful species was renamed Black-necked Stork. The name Jabiru relates to a species from the Americas so it made sense to change it, but this stork’s neck is stunningly iridescent with feathers that sparkle. They also have incredible eyes with amazing nictitating eyelids that I shared images of previously, they are worth a look: Stork’s Extraordinary Eye

Chestnut Teal – male

The male Chestnut Teal often appears to have a black head unless the sun is shining on it at the right angle when the feathers take on an exquisite green sheen.

Pacific Black Duck

The speculum of ducks like this Pacific Black Duck sometimes catch the light and sparkle with a range of blues, greens and purples.

Glossy Ibis

Unlike the stork, the Glossy Ibis is well named with its feathers showing a range of greens, bronze and violet blues – this bird looks black from a distance or when the light is low.

Straw-necked Ibis

Straw-necked Ibis occasionally visit my place and despite the low light in the photograph above it is still possible to see their iridescent glow.

Peacock

The feathers of a peacock are incredibly beautiful and reflect various colours.

Welcome Swallow

At the other end of the spectrum the Welcome Swallow has a gorgeous blue sheen when seen in the right light.

Common Bronzewing – female

The previous images are ones that I took a while ago, this female Common Bronzewing is a shot I took at sunset on my recent trip to the Mallee. I loved seeing the golden bronze shimmer of her iridescent panels.

Common Bronzewing – female

When the angle of light was different the panels appeared green, blue or purple.

Common Bronzewing – female

The flash of gold was so bright but faded completely when she turned from the light.

Common Bronzewing – male

The following morning I photographed this male Common Bronzewing. In this light his feathers, including the pinks and blues, looked far more spectacular than I’ve seen before.

Emerald Dove

I photographed this Emerald Dove on Lord Howe Island a few years ago, it’s feathers were an astoundingly bright mixture of pigment and iridescence.

Iridescent feathers are created by the micro-structure of the feathers and keratin which acts like a prism scattering colours of the rainbow. To see the colours light has to be shining on the feathers at specific angles, this can change depending on the angle of the sun, the position of the bird and of the viewer. When I was photographing the bronzewings they would often show no colour at all while at other times the golden flashes, in particular, were spectacular. Apparently these feathers do not shed water as easily as other feathers and require more preening but this extra effort seems to pay off as the bright feathers appear to relate to breeding success. So fascinating!

Regular readers will know that my vehicle broke down on my Mallee trip, despite having it serviced two weeks before I headed off. I picked it up yesterday, $4000 to replace the battery, the alternator and the EGR pump. A lovely lirralirra subscriber (thanks heaps Deirdre) kindly suggested that I started a gofundme, which I could never do. But she has inspired me to look into creating a calendar like I did in the early days. If I can find the kind of quality I’d like it would be large, A3, with beautifully printed images and from my research, would probably cost $40. I’m unsure how viable this would be so am wondering if any readers who would be interested could comment here or privately to kim @ lirralirra.com (without the spaces).

This screenshot shows a calendar I created a few years ago. I’m not sure how closely I’ll be able to match this but the January and February pages show what I’ll be aiming for.

Happy birding, Kim


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~ Facebook group  Ethical Bird Photography

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