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Little Elder Island - Woods Reservoir |
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Colony Name:
Little Elder Island - Woods Reservoir
Colony Code: Franklin-1
County:
Franklin
Geographical
Location.
Physiographic Province:
PIF 14 (Interior Low Plateaus [Eastern Highland Rim]); BCR 24 (Central
Hardwoods)
Latitude and Longitude:
35.3 and -86.06142
How
Obtained:
Nearest City/Town:
Estill Springs
Distance:
Directions from town to colony:
Owner: Air Force
Address:
Management Plan: Yes
Description.
General Description: An island on Woods Reservoir that is
barely above the water line mostly of willows and maples.
General Habitat:
Freshwater Island
Specific Habitat:
Deciduous Trees
Species of nest trees:
Tree species on Island: Red Maple (nest tree), Silver Maple (nest tree), Black
Willow (nest Tree), Privet (nest tree), Nyssa spp., Sycamore.
Size: 0.28 hectares
History.
Tullahoma--Arnold
Air Force Base at Woods Reservoir on Little Elder Island, northwest of the
Morris Ferry Bridge on Highway 127, visible from the bridge (viewable with scope
from obvious pull-off on Tennessee 279 going west from Tennessee 127 just south
of the Morris Ferry Bridge) of a small mixed breeding colony of Cattle Egret,
Green Heron, and Black-crowned Night-Heron, and a mixed species late summer
roost site. In DeLorme, Woods Reservoir is pages 22 and 23, and Little Elder
Island is the blue dot at the page break at B-4. Recent heronry activity on or
near the island includes:
2003. September 6,
Roost of Great Blue Heron (1), Great Egret (8), Cattle Egret (50, some observed
nesting, young heard), Green Heron, and Black-crowned Night-Heron (10, some
observed nesting, young heard).
2004. May 23,Cattle
Egret, Green Heron, and Black-crowned Night-Heron on island with Great Blue
Heron in area;
August 2, Cattle
Egret (8-10 young) and Green Heron (4 young), with Great Blue Heron on island
and Black-crowned Night-Heron nearby but no young seen.
August 23,
Great Egret (2), Little Blue Heron (1 adult), Green Heron, and Black-crowned
Night-Heron (1 adult, 1 immature). Late summer roost numbers into the 100's
including in addition to breeding species noted above, Great Blue Heron, Great
Egret, and Little Blue Heron (adult and immature), and juvenile White Ibis (1,
2004 and 3, 2005).
2006. June 30, July 3, and
July 12, Little
Blue Heron breeding confirmed July 12, with sighting of not yet capable of full
flight young frantically approaching adults as they returned to two separate
nesting areas on the island. Both adult and immature birds see on the island
last year. On early trips observed frequent trips to and from the island by a
minimum of three adults (three simultaneously on July 3) who would drip down
into hidden interiors of low trees/shrubs/bushes in two different spots on the
western half of the island, departing island shortly afterwards, but sometimes
perching high in open briefly. Also apparently or obviously nesting on the
island were a few Great Blue Herons, at least one pair of Great Egrets, numerous
Cattle Egrets, Green Herons, and Black-crowned Night-Herons. Other birds seen on
the island included an immature White Ibis on June 30 and July 12 (Jerry Ingles,
Dale and Jeannie Swant, Ruth Luckado).
July 27,
on the island, Great Egret (6), Little Blue Heron (10 minimum, with a minimum of
6 immatures), Cattle Egret (100), Black-crowned Night-Heron (20), and White
Ibis (1, immature) (Jerry Ingles, Dale and Jeannie Swant, Ruth Luckado).
September 9,
Little Elder Island roost, from water in two boats, one boat anchored east of
island and another southwest of the island, in family channel radio contact to
minimize duplication; birds came to roost between 5:30-7:30 p.m.; apparently
most of the Black-crowned Night-Herons, many of the adult Little Blue Herons,
and the immature White Ibis seen on previous trips had left the area. Great Blue
Heron (1), Great Egret (46), Little Blue Heron (4 adults, 37 immatures), Cattle
Egret (801), Green Heron (9), and Black-crowned Night-Heron (1) (Jerry Ingles,
Lloyd and Cathy Swant, Ruth Luckado, Dale and Jeannie Swant).
September 17,
Little Elder Island. Cattle Egret (two fledged but barely flight capable) seen
midday while others were gone to forage (Dale and Jeannie Swant). Contacts are Jerry Ingles,
jeingles@sewanee.edu; Dale and Jeannie Swant,
Dale.Swant@arnold.af.mil; and Ruth Luckado,
luck@cafes.net.
NOTE:
The duck blind near Little Elder Island has been deactivated and will no longer
be used during any season.
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Cumulative Breeding Summary |
| Year | Species | Maximum Number Adults Observed |
Total Number Active Nests |
Total Number Young Seen in Nests |
Estimated Breeding Pairs |
| 2004 |
Cattle Egret Green Heron |
-- -- |
-- -- |
8-10 4 |
-- -- |
| 2005 |
-- |
-- | -- | -- | -- |
| 2006 |
Great Blue Heron Great Egret Little Blue Heron Cattle Egret Green Heron Black-crowned Night-Heron |
-- --- 3 -- -- |
a few 1 2 numerous present present |
-- -- seen -- -- |
a few 1 2 numerous present present |
| 2007 |
-- |
-- | -- | -- | -- |
| 2008 |
Great Blue Heron Cattle Egret Black-crowned Night-Heron |
35 4 10 |
33 0 0 |
0 0 0 |
33 0 0 |
2008
Survey Results.
Survey Dates:
March 13 (9:20-9:35 a.m.),
March 31
Survey Vantage Point: March 13 (On
Foot), March 31 (From Boat)
Primary Observers (March 13): George "Richie" Wyckoff, Wildlife
Ecologist, ATA Conservation, 1103 Avenue B, Arnold Air Force Base, TN
37389-1800, 931-454-4856 (office), 931-454-5126 (fax),
george.wyckoff@arnold.af.mil.
Primary Observers (March 31): Dale and Jeannie Swant, P. O. Box 603,
931-967-3546, jswant@hotmail.com.
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2008 Breeding Surveys |
| Date | Species | Reproductive Stage | Survey Type (Nests) | Survey Type (Adults) | Total Number Adults | Total Number Nests | Number Active Nests | Number Young Seen | Estimated Breeding Pairs |
| March 13 | Great Blue Heron | Pre-nesting | Actual Count | Actual Count | 38 | 13 | 8 | 0 | 13 |
| March 31 |
Great Blue Heron Cattle Egret Black-crowned Night-Heron |
Building; Eggs in Nest Pre-nesting Pre-nesting |
Actual Count Actual Count Actual Count |
Actual Count Actual Count Actual Count |
35 4 10 |
33 0 0 |
33 0 0 |
0 0 0 |
33 0 0 |