JBJ-BIRDTOURS by Jesper Bay Jacobsen
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      <a target="_blank" href="https://jesperbayjacobsen.com/header.php?file=bview&search=species&id=2901" >More documentation here.</a>

           
      White-collared Swift (Streptoprocne zonaris)
      ebird/Clements (2019)
      White-collared Swift (Streptoprocne zonaris) [El Sótano de las Golondrinas, Huasteca, San Luis Potosí (Slp), Mexico] 439    (1 photos)
      White-collared Swift (Streptoprocne zonaris mexicana) 
      Swifts (Apodidae)

      El Sótano de las Golondrinas, Huasteca, San Luis Potosí (Slp), Mexico
      2009-09-16

      Ascending from the abyss.



      White-collared Swift (Streptoprocne zonaris) [El Sótano de las Golondrinas, Huasteca, San Luis Potosí (Slp), Mexico] 440    (1 photos)
      White-collared Swift (Streptoprocne zonaris mexicana) 
      Swifts (Apodidae)

      El Sótano de las Golondrinas, Huasteca, San Luis Potosí (Slp), Mexico
      2009-09-16

      Ascending in a spiral always counter-clockwise from the almost 400 meter deep hole.



      White-collared Swift (Streptoprocne zonaris) [El Sótano de las Golondrinas, Huasteca, San Luis Potosí (Slp), Mexico] 441    (1 photos)
      White-collared Swift (Streptoprocne zonaris mexicana) 
      Swifts (Apodidae)

      El Sótano de las Golondrinas, Huasteca, San Luis Potosí (Slp), Mexico
      2009-09-16





      White-collared Swift (Streptoprocne zonaris) [Playa de Oro, Manzanillo, Colima (Col), Mexico] 2996    (5 photos)
      White-collared Swift (Streptoprocne zonaris mexicana) 
      Swifts (Apodidae)

      Playa de Oro, Manzanillo, Colima (Col), Mexico
      2019-03-07

      Adults. It can be difficult to see the complete white collared under some circumstances, picture 2 (picture 3 same but lightened), why it is necessary to notice other field marks as well. In this case, the deeply forked tail is a good clue to separate the species from the otherwise very similar White-naped Swift. However, as seen in picture 4 even this can cheat if the tail is completely spread out... A good flock of 100 present this day.



      White-collared Swift (Streptoprocne zonaris) [Yelapa, Cabo Corrientes, Jalisco (Jal), Mexico] 2997    (2 photos)
      White-collared Swift (Streptoprocne zonaris mexicana) 
      Swifts (Apodidae)

      Yelapa, Cabo Corrientes, Jalisco (Jal), Mexico
      2019-03-28

      Adults. Probably very regular up at the Yelapa High Point (Yelapa Tapa) during their daily foraging raids. Here typical profile and plumage, with the narrow arm, forked tail and white collar.







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