Bluebird and Small Cavity Nester Conservation
Sialis - Bluebirds and other small cavity nesters
 
bluebirds

eggsNo-Trap Experimental
Hill Trailette Log 2009

See description of Hill Trail and aerial photo, and photos from 2007 | 2008 log | 2009 log.
Also see other trail logs. This is an experimental trail in a HOSP infested area where I am not trapping.
In 2009, two new single holed pole mounted boxes were added at Roseland Cottage.

SUMMARY OF ANNUAL RESULTS - Number of Nests
YEAR # boxes EABL WBNU TRES BCCH HOSP TUTI HOWR FS

2006 (one-hole only)

7
0
? possibly 1 or 2
0
6 or 7+?
0
0
0
2007 (two-hole hanging only)
4
1 nest - 2 fledged
0
0
multiple nests- 0 fledged
2 nests - 2 eggs - 0 fledged
0
0
2008 (two-hole hanging only)
4
1 nest - 7 nestlings
1 nest - 6 eggs, F
2 rmvd 1 using
2008 (one hole pole mount)
8
3 nests: 14 fledged
2 nests, 7 nestlings F
1 nesting with eggs F
Hill trail.

KEY
BCCH = Black-capped Chickadee
EABL = Eastern Bluebird
FS = Flying Squirrel

HOSP = House Sparrow
NABS = NABs style nestbox
PETE = Peterson style nestbox
PW=paper wasp
SLOT = Slot style entrance on nestbox
TRES = Tree Swallow

Notes:

  • Hanging boxes are about 100 yards apart. I am counting a nest as an attempt - especially because I am removing HOSP nests. Some monitors only count an attempt when an egg has been laid.
  • Boxes with numbers followed by an "x" are not part of this experimental trail, but I try to keep an eye on them. They are single-holers, pole mounted, with the entrance about 5 feet off the ground.
  • In the 2006 nesting season (before I started monitoring the trail) it appears from nests left in boxes that all seven single-holed boxes were used by HOSP, although one or two may have been Tree Swallow nests.
  • In 2007, 2 bluebirds fledged from H-12, and one box (H-8) was eventually occupied by a flying squirrel. H-9 was apparently stolen.
  • In 2008, H-10 was moved to a location about 1/2 mile down the road. H-9 and H-11 are occupied by flying squirrels. I am excited to have them using the boxes, and interested in observing them. For those who do not want Flying Squirrels in their boxes (if the goal is to fledge more native birds, or they are concerned about Flying Squirrels eating eggs and young), try placing boxes away from mature forests and/or lowering height. I am looking at making changes so there is only one 2-holed box in the middle of a 2-acre forage territory at
    least 300 feet from any other nestbox.
  • In 2009, a box went missing. We installed a two-holed pole mounted box underneath H-11 to see if there was any interest. It has a very large overhanging roof.
2009 Trail Log
ID Type 2008 Attempt #, Species, Fate 2009 Notes
H-9 Two-hole mansion
Moved on 5/19.
Maple Tree
Flying Squirrel Flying Squirrel

2/22: flying squirrel nest, empty, cleaned out
3/28: empty
4/12: acorn shells.
5/2: Flying squirrel, no contents
5/16: green maple leaves

H-10

Two-hole mansion with partial Plexiglas back under roof. In winter of 2008, moved to another location 1/2 mile down the road.

TUTI F
HOWR F
MISSING
03/13: Box is gone.
H-11

Two-hole mansion
Maple Tree

Partial Plexiglas roof on this box

 

Flying Squirrel - nest removed by someone.
WBNU S- 7 eggs, all fledged.


WBNU

2/22: Flying squirrel, looks like defecatorium, cleaned out
3/28: empty
4/12: Big White-breasted nuthatch
4/20: White Breasted Nuthatch - S, 7 fledged
4/26: 1st WBNU egg
05/02: 7 eggs, incubating nest, no cup yet (just bark)
5/17 or 17: appears 6 or 7 hatched, eyes slitted
05/27: 7 nestlings?
05/31: nuthatches BIG
6/12: all had fledged

H-13 Two-hole mansion, large overhanging roof, POLE mounted New for 2009 Vacant 4/12 - 5/16: no activity
H-12

Two-hole mansion
Maple Tree

Stained gray

  Vacant 2/22: HOWR sticks (no nest cup) and whole nuts, from last year, cleaned out
3/28-5/16: empty
05/27: paperwasps

General Notes:

  • APPROXIMATE SHORTEST distances between boxes: (note: H-9 is >300 feet away from H-10 and H-11).
    • H11 to H12: 230 feet
    • H11 to H10: 260 feet?
    • H10 to H9: 350 feet
    • H9 to H12: 220 feet
    • 6x to H10: 100 feet (Note: H-10 moved to another location in fall of 2007)
    • 6x to H9: 250 feet
    • Note: the recommended distance between boxes for bluebirds is 300 feet, but these boxes were spaced more closely in 2007 because of limitations in tree locations, size of the town green, and the hope of attracting other native cavity nesters.
NOTE: THE LOG BELOW and drawing SHOW USE OF THE TRAIL BEFORE AND AFTER TWO-HOLE HANGING MANSIONS WERE INSTALLED
Hill Trail, box layout
ID Type 2008 (Opened by unknown party) 2009 2009 Notes
1 NABS - replaced with Two hole Mansion, pole mounted in 2009 HOSP F
HOWR F
See H-13 above
HOWR F
2/22: a little grass, left in place
3/28: Mouse nest, removed. Replaced this box with 2 hole post mounted, see H-13 above.
Through 5/16: vacant
06/30: HOWR 53r
2 SLOT EABL S - 4 fledglings HOSP - F
EABL - S - 3 eggs, 1 unhatched, 2 fledged.

5/2: HOSP nest, removed. Saw TRES in area.
5/16: HOSP, no eggs, removed nest
05/27: 5 HOSP eggs removed
05/31: empty
8/2: EABL male and female (tight sitter that failed in #6) on guard, at least three eggs.
8/8: 2 hatched, 1 did not

3 NABS with fishing line HOSP, 18 eggs HOSP 5/16: HOSP, 5 eggs, removed
4 NABS BCCH F
HOSP, 4 eggs
EABL S
EABL start?
HOSP
2/22: looks like HOSP fecal material, cleaned out
4/12: Bluebird start? HOSP?
4/26: HOSP nest, no eggs, removed
5/2: HOSP, 1 egg, removed
5/16: HOSP, 5 eggs, removed
05/27: nesting revd
05/31: a little grass
5 NABS BCCH
7 eggs, 7 nestlings - F
HOSP F - 2 eggs so far
HOSP
HOWR
2/22: nuts
3/28, 4/12: HOSP nest start, removed
4/26: HOSP nest, no eggs, removed
5/2: HOSP nest, removed, 1 egg removed
5/16: HOWR sticks, removed
05/31: trap?
06/30: HOPS nest, no eggs
6 NABS - Mono on either side of entrance hole. HOSP HOWR F
EABL F - 5 eggs, unknw hatched, all dead - HOSP or HOWR? Box had spooker!

4/12: EABL start, no eggs
4/26: EABL incubating 5 eggs. Spooker installed.
5/2:5 eggs, spooker in place.
5/16: nest empty, 2 dead babies on ground - see photos and info
05/27: 4 HOSP eggs removed
06/30: BCCH - 4 eggs

7 NABS EABL: 6 eggs, 6 fledglings EABL start?
HOWR F
2/22: mouse?
4/26: EABL start? Some pine needles.
5/2: Unchanged.
5/16: no change
05/27: removed pine needles
06/30: HOWR dummy
7X NABS EABL S - 4 fledglings ? Not being monitored, upside down
8 Troyer - Roseland Cottage - SE New for 2009 (4/5), but previous box had EABL
9 NABS w PETE hole - Roseland Cottage - E New for 2009 (4/5), located in garden
  • 02/22/09: Cleaned out boxes
  • 03/13/09: box H-10 has disappeared.
  • 03/28/09: installed box H-13. Passerby said bluebirds had been seen in area. I heard HOSP near box 4.
  • 04/05/09: Installed two new boxes at Roseland Cottage, about 1/4 mile away. Grassy area, ideal for bluebirds, bluebirds nested there last year. Mounted on metal poles, no baffles due to historical setting.
  • 4/12: 31 degrees this morning! First egg at Roseland Park NET 4/8
  • 05/31: removed 1 M? 1F HOSP? (can't read notes)
  • 06/11: boxes empty. Moved gray box to Palmer Hall in low crabapple for 2010, to replace box that went missing.

    When we try to pick out anything by itself in nature we find it hitched to everything else in the universe.
    - John Muir

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