Page 35 - 2004 DT 9 Issues
P. 35

Madcap Mites                           ing their claim on feeding rights to a fa-  that hummingbirds once populated the Old
                                            vored bush or feeder with bill and claw.  World begs the question as to why they dis-
           umbling, twirling, diving—a blur of  Males will dive and display, charging back  appeared.
           color flickers at the margin of your  and forth in front of each other until some-  Those who live in warm climates are
     Tvision. What was THAT? The first      one either backs down or is smacked down.  fortunate to have the birds almost year-
     hummingbird of spring has just invaded  Head-on collisions are not uncommon,  round. Winter migration to warm latitudes
     your back yard. For a brief moment, it stops  with the locked combatants spinning to the  can begin as early as July or as late as No-
     a few inches from your nose and gives you  ground.                            vember. Late summer is the high season
     the once-over, then zips off to forage among  In courtship, the female may perch and  throughout their territory, as they gorge on
     your flowers.                          spread her tail feathers or, perhaps, join the  nectar and sugar-water in preparation for
        Hummingbirds are the only birds that  male in his courtship dance, rapidly shut-  their long journey to winter ranges. An early
     can fly forward, backward, and sideways,  tling back and forth in front of another bird.  spring will find them tumbling back into
     and hover for sustained periods. If you  In some species, males will gather together  your yard, bringing their madcap charm
     watch quietly for a while, you may see this  in communities called leks. They all sing  with them.
     smallest of birds perform barrel rolls and
     even free falls, stopping abruptly, then start-
     ing all over again. Their amazing wing                                        May Board Notes:
     speed, up to 50 beats per second, makes
     such amusing tricks possible. These acro-                                          A motion was made and carried to
     batic talents, along with a long needle-like                                  fund up to $2,000 from the Special Projects
     bill and even longer grooved tongue, al-                                      account to cover the printing of three pos-
     low the birds to suck the nectar from a large                                 sible Information Desk brochures.
     volume of tubular flowers in record time.                                          The board will fund $1,000 for
     A good thing, too, because their almost                                       campground projects over the summer at
     constant activity requires a very high me-                                    the request of Ranger Brian Buttazoni. A
     tabolism, which they must maintain by                                         previously approved allocation of funds for
     consuming up to 50% of their weight each  together, trying to entice females to  the Cottonwood Valley brochures will not
     day in nectar and insects. Hummers also  approach.                            be used this year, freeing funds for the
     remember their food sources from year to  ‘Sing’ may be an overstatement, be-  campground request.
     year, which is why, once they’ve found  cause these tiny birds have no real song.    An agreement has been reached
     your feeder, they keep coming back.    They chirp, squeak, buzz, or make whir-  with artist Sharon Schafer for the use of a
                                                                                                           th
        One recently solved puzzle involves  ring sounds often referred to as “wing  redesigned logo for the 20  Anniversary
     how a hummingbird can catch enough in-  whistle.” With their poorly developed feet,  Friends symbol until April 2005.
     sects to meet its energy requirements, given  hummingbirds can barely walk, but are    Committee budgets, with one
     its straight, narrow—and supposedly    able to perch well enough. And yes, they  exception, have been received. A budget
     rigid—nectar-sipping bill. A new labora-  do sleep.                           proposal for 2004-5 will be submitted to
     tory study, conducted by Gregor M. Yanega  Although there are about 300 known  the membership in the July Desert Trum-
     and Margaret A. Rubega of the University  living species of hummingbirds, they are  pet  for voting at the August General
     of Connecticut at Storrs, used high-speed  only found in North and South America.  Membership Meeting.
     cameras to capture the image of a ruby-  Until recently, the oldest fossils of hum-    Eight new members  were re-
     throated hummingbird in the act of     mingbirds were 1-million-year-old      cruited at the Howard Hughes
     snatching a fruit fly in mid-air. The bird  specimens recovered from cave deposits  Corporation’s Earthfaire held on April 17.
     rushed at the insect with mouth wide open,  in Central America. Two new specimens  Ten new members joined at Red Rock
     then added extra downward slant to its  unearthed in southwestern Germany have  Day. Friends will sponsor a booth at the
     lower jaw—bending it part way along its  been dated to between 34 million and 30  Festival in the Pines 2004 at the Las Vegas
     length—even though the jaw has no joint.  millions years ago. The newly identified  Ski and Snowboard Resort on August 7.
     Voila!                                 species has the major short, stocky wing    The nominating committee has
        Although the hummer may be small,   bones of modern species and a long nar-  completed the slate of candidates for the
     it’s no pushover. These little balls of en-  row bill more than twice as long as its  upcoming board election: President - Pat
     ergy are fiercely territorial and will not  skull—characteristics that suggest the birds  Williams, Vice president - Ray Stafford,
     hesitate to duke it out with a rival, protect-  hovered and drank nectar. The implication  Director - Blaine Benedict.


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