Long-tailed Jaeger: Seasonal Occurrence & Geographic Distribution

*Long-tailed Jaeger Stercorarius longicaudus

Lower Coast Status: Accidental along the coast in summer and fall. There are three records from the Valley: two from Port Isabel on 8 June 1989 and 17 June 1992, and one off South Padre Island on 26 September 2004.

Texas Pelagic Status: Rare in fall possibly through winter

TX Status: Casual migrant and accidental in winter, with 23 documented records.

Habitat: coastal or offshore waters.

Similar Species: Long-tailed Jaeger is the smallest (and rarest) of the three jaeger species. Adults are fairly distinctive, lacking white wing patches on underwing and long central tail feathers. However, juveniles can be similar to larger Parasitic Jaeger. Juvenile Long-tailed Jaeger is usually gray-toned (Parasitic is browner), with strongly barred tail coverts and a pale head. Sometimes visible are contrasting white shafts of the two outermost primary feathers of the upperwing.

*Texas Review Species, requiring written or photographic documentation.            © Copyright  Brad McKinney  31 October 31, 2004 (Status updated by Garett Hodne Nov 2014)

SEASONAL OCCURRENCE GRAPH OF LONG-TAILED JAEGER:

The graph below shows the number and date of all Parasitic Jaeger sightings on all Texas Pelagics from 1992 to 2014:

LTJA Graph
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LONG-TAILED JAEGER – TEXAS PELAGICS SIGHTINGS DISTRIBUTION:

This map shows the geographic distribution of Long-tailed Jaeger sightings (green stars) on 27 Texas Pelagics mostly from South Padre Island, but also includes 1 trip from Port Aransas and 2 trips from Port O’Connor. Sighting coordinates from the remaining 25 + Texas Pelagics are not available.

Long-tailed Jaeger Sightings are evenly distributed over the shelf out to the shelf edge


View Jaeger Distribution in a larger map

Click on the box in the upper left of the map to view the map legend.

Click on each sighting symbol and the data label will appear showing the time, date and the number of birds seen.

Click on the link on the bottom of the map to view a larger map.


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