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My Hoodia Stinketh

For a few days I’ve been whiffing a whiff, which has caused me to search for the dead mouse in my studio.

Then, I noticed the Hoodia is blooming.  It sits on the shelves right outside the work tables.  That window is always open, being the draw-source for the swamp cooler air.  So the stinkitude of the big radar-shaped flowers was being propelled directly into my work area.  Here’s a picture of the offending vegetable; you can see glaze bottles and a banding wheel through the glass behind it.

The genus Hoodia is comprised of cactus-like stem-succulents whose flowers are pollinated by flies.  To attract flies, it is desirable to smell like carrion.  So like their cousins Huernias and Stapelias, Hoodias put out flat flowers the color of puffy, pus-streaked dead flesh with a blood-dark target center.  They smell convincingly of rotting meat, especially in warm weather.

Does it work?  Yes; there are a number of flies buzzing inquisitively around the plant all day.  And — is it possible? — this morning as I was hanging out laundry to dry, there was a turkey vulture circling low, right over the studio perhaps aiming its pervious nostril at our garden…

This specimen blooms heavily around the middle of June every year, as long as it gets enough water in the growing season.  It is labeled Hoodia gordonii, of appetite suppressant fame, it having been observed by ethno-anthropologists that the indigenous people of the Namib use Hoodia to relieve hunger.  Hoodia are not cactus at all, but members of the subfamily Asclepiadoideae, and so are related to milkweed.

(Photos A.Shock)

Posted by Allison on Jun 17th 2009 | Filed in botany,close in,natural history,yard list | Comments Off on My Hoodia Stinketh

Festival of Desert Doves: African Collared Dove

The desert suburbs of Phoenix are Columbid-rich, that is, there are many species of doves and pigeons.  Yesterday I was putting out seed in a neighbor’s gravel drive just before sunset.  The area is quite open, and at that time of day it fills with fat, free-loading doves and pigeons who are used to being fed there and then: after only a minute, there were 30 birds chowing down, their heads bobbing up and down rapidly like sewing machine needles, almost all of them Columbids.  I counted six species both native and exotic — all the species regularly seen in our neighborhood and most seen regularly in the Phoenix area at this time of year: Mourning dove, White-winged dove, Inca dove, Eurasian Collared Dove, African Collared dove, and Rock Pigeon.

There was only one African Collared dove (Streptopelia roseogrisea).  This species, like its close relative the now-abundant Eurasian Collared dove, is an exotic.  But unlike the ECDO, which was introduced in one place and then spread itself across the nation, the African Collared dove (or Ringed Turtle dove) was originally released very close to here but hasn’t spread widely, even in the Phoenix area.

The plumage of the two exotic doves are somewhat similar: both are beige and have a black crescent on their neck.  They can be hard to tell apart, until you get the hang of it.  The African is a smaller, paler dove, almost white, with a gentle two-note call that sounds like the chorus from the Rolling Stones’ “Sympathy for the Devil”: “Woo-HOOooo!”  The larger Eurasian is slightly darker in plumage and has a hoarse three-note call with the emphasis on the middle note: “hoo-HOO-hoo” which it utters incessantly.

Our neighborhood hosts a small population of the daintier African Collared dove, and one of them spends most of its time mooching in our yard and our neighbor’s yard.  Because of its habit of snarfing up seed rapidly, packing it into its crop and then flying off to digest at leisure, we’ve named it Hoover, like the vacuum cleaner. (Hoover used to have a mate, Eureka, but she’s not around these days).  These birds are quite “sweet”: by that I mean they are not very afraid of people, unlike the other doves which all have a proper wariness towards humans.  They will fly right down and land on the ground at your feet if they think seed is to be had.  Not surprisingly given these behavior traits, there has been debate among ornithologists as to how domesticated this species (or variety) of dove is, but currently it’s enjoying full species status.

(Images of ACDOs: sketchbook pencil sketch and photo, A.Shock.)

Posted by Allison on Jun 14th 2009 | Filed in art/clay,birds,close in,drawn in,Hoover the Dove,natural history,yard list | Comments (2)

Gamboling Gambel’s Quailets

In our area, the first Gambel’s quail chicks of the year usually start showing up in early May, clustered around their parents under the mesquite trees in the yard, pecking expertly at the ground like the precocial youngsters they are.  This year, since we weren’t around then, we missed the “nebula phase” of their development — when they’re so small and move so fast that it’s hard to count them: a streaky brown cloud of down orbiting the adults like electrons, running everywhere because their legs are so short.

Now that we’re back, the feeders are full again, and the parents are bringing their broods around.  For the past two days there’s been a family of six cleaning up nyger thistle that the frenzy of fressing finches let fall from the front mesquite feeder: two adult quail and four chicks.  The chicks are still quite young, but no longer downy — adolescent really, and they’re beginning to get little nubs on their foreheads where their topknots will grow in.  They are still cryptically colored buffy-streaky so that they’re nearly invisible against the soil in the dappled sunlight let through by the mesquite’s tiny compound leaflets.  Papa usually stands watch as the family feeds, which they do at a more leisurely pace than when it’s the adults alone.  This may be a clutch incubated in the spiky tangle of our fan-palm, where a hen successfully raised a brood of 9 last year.

Normally I’d snap a photo of the family scene above.  But because I can’t get a decent picture through the reflection-hazed windows looking out onto the feeders (I’ve tried!), and going outside would start the whole shebang to flee, I thought I’d sketch from life (above).  I’m just finding my way around watercolors again after a very long absence, and haven’t managed to loosen up as much as I’d like — at this point, I seem to produce tinted drawings, rather than acheiving a freer painting style.  One reason for that is that it’s such a different process than capturing “birdness” in the broad, unblended swatches of opaque glaze color, which is what I normally do, as in this Three Star Owl male Gambel’s quail wall tile pictured to the right.

Posted by Allison on May 29th 2009 | Filed in art/clay,birds,close in,drawn in,natural history,three star owl,yard list | Comments (1)

So what about the Hen?

You may be wondering about the much-posted Hen, a female Anna’s hummingbird, and her two nestlings, who were busy growing up in an Aleppo Pine in our back yard.

As far as we know, the Hen fledged her young successfully while we were in New Zealand. We’ll never know for sure, but the evidence supports a successful fledging. Two years ago, a nest failed when it was torn down by a predator, but this nest looks as if it lasted through a full nesting cycle: it’s intact on its branch and a little stretched out, the way spider-web-based hummer nests are designed to do to accomodate growing nestlings.  So, it’s entirely possible that the Stalwart Hen is sitting on a new nest at this time (although it’s past peak Anna’s breeding season in the low desert), and her fledglings are among the YOY (young of the year) Anna’s we see coming to the nectar feeders.

(Photo of female Anna’s hummingbird by M. Held, from Wikimedia Commons)

Posted by Allison on May 20th 2009 | Filed in birds,close in,increments,natural history,nidification,yard list | Comments Off on So what about the Hen?

Tubenoses, Albatross Elbows and Muttonbirds

One thing the Southern Hemisphere does well is sea birds.  Albatrosses, gannets, penguins, prions, storm petrels, diving petrels, gadfly petrels, giant petrels, shearwaters, skuas, mollymawks, and more occur in baffling numbers of species (and nomenclature).  Normally, many of these birds are found well out to sea, over the deepwater pelagic zones.  But in tectonically active NZ, there are places where the continental shelf drops off into deep water quite close to shore — like at Kaikoura on the east-northeast coast of the South Island — and in those places you don’t need to venture far from the harbor for excellent seabird viewing.

The birds are accustomed to following fishing vessels, and close-up views are possible if you just chum a chunk of frozen fish-liver behind the boat.  Above a gibbering mob of Pintados (Daption capense, Cape “pigeons”) is joined by Nellies (Macronectes spp, Giant Petrels) and a couple of species of Albatross to joust over gobbets of yummy chum off the back of a small net-fisherman.

I’ve seen Albatross in Antarctic waters, sitting on the surface at a distance from the ship, or skimming adroitly behind the vessel, drafting over the huge waves of Drake’s Passage.  They’re enormous birds — the largest Royals and Wanderers have a wingspan of nearly 12 feet (3.5 meters).  A big wingspan means long wingbones, and when these wings are folded, they jut out behind the bird with a gawky elbowy effect, visible in the photo above of this Toroa, a youngish Wandering Albatross (Diomedea gibsoni).  The “elbows” actually extend almost as far as the tips of the primary feathers, a characteristic I haven’t noticed in any other bird.

The petrels and albatrosses are Procellarids, or tube-noses: in other words, their nostrils are enclosed in one or two tubes along their strong, grooved, hooked bills, a trait visible in the photo above.

As puffins are still eaten in Iceland, some species of tubenoses are harvested for food in NZ.  At this time of year, Māori are entitled to collect Muttonbird chicks (Titi, Sooty Shearwater, Puffinus griseus) from their nesting burrows in the coastal bush and mountains.  (The adults have already headed out to the wintering grounds, some as far away as the waters off the coast of California; the young are left behind to grow in their adult plumage.)

Traditionally, cooked Titi were packed in their own fat in kelp bags, where they stayed fresh for 2 -3 years.  I couldn’t find a picture of a poha-titi, a Māori kelp bag, but here’s a photo of a Titi (Sooty shearwater or muttonbird): it’s the smaller all-dark bird at the top of the picture.  The large and handsome bird in the foreground is a Buller’s Mollymawk (Diomedea bulleri).

Nowadays Muttonbirding is largely a commercial enterprise, for sale to restaurants.  Later in the trip we found contemporary Muttonbird on the menu of a very nice fish restaurant in Moeraki, but I chose blue cod, thinking of the bird we’d seen on the sea in Kaikoura.

(Photos, top: E. Shock: the snow-covered Kaikoura Mountains are visible in the background; middle, A. Shock; bottom, E. Shock. All from the Kaikoura pelagic trip.)

Posted by Allison on May 12th 2009 | Filed in birding,birds,close in,field trips,natural history | Comments Off on Tubenoses, Albatross Elbows and Muttonbirds

Walkingstick sequel: in case anyone was wondering…

…how the photo E was taking turned out (from this post), here it is.  Now you know what the ventral surface of a NZ walking stick looks like.

Posted by Allison on May 6th 2009 | Filed in close in,cool bug!,field trips,Invertebrata,natural history | Comments Off on Walkingstick sequel: in case anyone was wondering…

Piwakawaka and other obliging Non-Kiwi Kiwis

Proper Kiwi birds are nearly impossible to take photos of.  Mainly because most kiwi birds are nocturnal and using flash is rude, but also because they’re hard to see in their environment, rummaging around in the deep ferny forest floor.  And anyway they’re terribly difficult to find at all.

But there are other, non-Kiwi birds who are not so shy.

Piwakawaka is the exuberant Maori name for the Fantail (Rhipidura fuliginosa), a common native bird in New Zealand bush (areas forested with native trees and plants).  This is one cheeky chicky: they’ll flit right up and swoop in to capture any bugs that may be hanging out around you as you hike, sometimes following for quite a distance down the trail, sometimes nearly — but not quite — landing on you.

A couple of other birds do the same thing: the engaging Miromiro (Tomtit, Petroica macrocephala), the more reserved Toutouwai (New Zealand Robin, Petroica australis), so they are relatively easily photographed.  (These last two birds, the NZ Robin and the Tomtit are endemic to NZ, occurring nowhere else, while the Fantail also lives in Australia).

Top to bottom, here are photos of Piwakawaka (Fantail), an immature Miromiro (Tomtit), and Toutouwai (NZ Robin) (Photos by A. Shock).

Posted by Allison on May 2nd 2009 | Filed in birds,close in,field trips,natural history | Comments Off on Piwakawaka and other obliging Non-Kiwi Kiwis

Large, colorful, flightless, and clueless…

…that’s the Takahe, a mountain-dwelling, tussock-eating, big-beaked member of the gallinule family (related to coots).  The bird was believed by ornithologists to be extinct, until G.B. Orbell “rediscovered” a population in the remote Murchison mountains of Fjordland New Zealand in 1948.  Since then heroic efforts have been made to secure its survival as a species, which are so far uncertainly successful (in 2004, there were fewer than 200 birds in the wild, and less than 50 in captivity).

Above is a free-living wild Takahe, photographed on Tiri Tiri Matangi sanctuary in the North Island of New Zealand — I’m uncertain that it appears to appreciate all the effort taken on its behalf.

Then take a look at the most excellent kid’s painting tacked to a wall (no name supplied) at the Fjordlands National Park Visitors Center in Te Anau.  Isn’t it perfect?

(Photos A. Shock)

Posted by Allison on May 1st 2009 | Filed in birds,close in,field trips,natural history | Comments Off on Large, colorful, flightless, and clueless…

When hiking New Zealand, always have a walking stick along

Here is E, making a new friend in the Kauri Forest.  It may be big and green, but at least it doesn’t bite, like the Sand flies.

(Photo A. Shock)

Posted by Allison on May 1st 2009 | Filed in close in,cool bug!,field trips,Invertebrata,natural history | Comments Off on When hiking New Zealand, always have a walking stick along

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