The Color of Condors
California condor juveniles have darkish grey heads and necks and then around four years of age start to become more and more pinkish/orange/red (see the field guide for more information and photos of examples here and at the bottom of the wreness’s slidshow here) until they are about six years old when they obtain the full coloring of a mature adult. However, like everything, a condor’s color is not so simple. We have some special thoughts and tips about a condor’s ability to change their coloring from Mike Clark (aka the Condor Whisperer) who works at the Los Angeles Zoo and is truly one of the heroes of the condor recovery movement.
Here are Mike’s thoughts/observations:
In my opinion females have a yellower coloration from the malar stripe forward than males. Of course it varies from bird to bird. but if you put them side by side I find the females have a yellower face generally from the malar stripe forward. Males can have the same yellow in this place but it is usually shaded with a little more flushed coloration mixed in . This is not a hard and fast rule obviously.
Here are some examples of the male/female difference:
Intensity of color varies widely. When birds are upset or angry around the nest or young the colors intensify. They also go starkly pale when in fear or being pursued (like by someone with a net when being trapped for health check-ups). [We don’t know what happened before this photo was taken, but Condor Watchers observed a remarkably pale female 190, aka Red 90, here]
Another observation is that the mature adults tend to have a bluish neck. [Again, CondorWatchers recently noted a particularly blue neck here] When they get a hold of food and start to dig in on the food the neck flushes (if its exposed and the ruff isn’t up) and the neck turns more purple than blue.
I think the bird’s diet, and beta carotene in particular, has very drastic effect on coloration of the birds’ faces. [Although we think of orange vegetables as sources of beta carotene, it is also found in meat and especially liver]
Can you guess from the descriptions above who here is the male and female of a current breeding pair at the Los Angeles Zoo?
Let us know if you see any extreme examples of these color variations by tagging the photos – especially if you see a condor with a bluish/purplish color when feeding! Who knows, maybe we will learn something new about condors and colors!