[TN-Bird] Migration still proceeding in Costa Rica

From: "Dev Joslin" <devjoslin@xxxxxxxxxxx>
To: tn-bird@xxxxxxxxxxxxx
Date: Mon, 02 May 2005 17:07:27 -0600
I know everyone back in Tennessee is enjoying the height of spring 
migration.  Surprisingly, migration is not quite over here in Costa Rica.  
Three of the latest species to leave here can occasionally still be found.  
This past week, I watched about a dozen Swainson Thrushes sharing the 
berries of a lengua raspa tree (Hasseltia floribunda) with White-throated 
Robins and an Orange-billed Nightingale thrush.  This tree fruits year-round 
and is known to be popular with at least 20 species of birds.  Even today 
(May 2) I was still hearing the occasional Swainson?s singing.  The week 
before I had great looks at male Blackburnian Warblers in full breeding 
plumage two days in a row.  They feed in the upper canopy, but fortunately I 
was standing on a hill at the same level as the nearby canopy top for some 
great looks at a spectacular bird (and KTOS? symbol bird!).  Also a week ago 
I was still seeing the occasional Wilson?s Warbler here.
        Interestingly, these three species are among the latest to leave Costa 
Rica 
and among the latest migrants to arrive in Tennessee.  So, I am sending 
these late stragglers on to you and hope that you will be seeing them soon.  
(I suppose a few members of these species are arriving about right now!)

For those interested in native Costa Rican birds:
Many species are nesting.  In our yard, we have had successful fledging of 
Social Flycatchers, Rufous-collared Sparrows, and Slate-throated Redstarts.  
We have had nest failures of Yellow-throated Euphonias and Blue-gray 
Tanagers.  (We suspect a long-tailed weasel and hostile Sulphur-bellied 
Flycatchers as being the culprits.)  We also lots of apparent mating pairs 
and singing males, not the least of which are Three-wattled Bellbirds, 
Chestnut-headed Oropendolas, Keel-billed Toucans, Buff-throated Saltators, 
White-throated Robins, Orange-bellied Trogons, and Rufous-browed 
Peppershrikes.  The common hummers about are Violet Sabrewings, Green 
Hermits, Green Violetears, Steely-vented HBs, and Fork-tailed Emeralds.

Your Costa Rica Correspondent,
Dev Joslin
Monteverde, CR


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[TN-Bird] Migration still proceeding in Costa Rica

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