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Mystery Photo

5-12-17 belted kingfisher nest holes 004

What are these holes and who made them?  Please post your answers on Naturally Curious website under “Comments.”

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70 responses

  1. Pam Schoch

    Swallows?

    May 17, 2017 at 7:12 am

  2. Rita Pichette

    Bank Swallows

    May 17, 2017 at 7:12 am

  3. Looks like a swallow (bird) hole; Bank Swallow ? but the dark-colored “dirt” might be clay. I think clay would be difficult for a Bank Swallow to manage. ???

    May 17, 2017 at 7:14 am

  4. Marie

    They are openings to swallow nests.

    May 17, 2017 at 7:15 am

  5. Connie Snyder

    Bank Swallow Nests

    May 17, 2017 at 7:17 am

  6. Rita Pitkin

    Bank Swallows

    May 17, 2017 at 7:21 am

  7. Sue Wetmore

    Bank swallow nest holes?

    May 17, 2017 at 7:22 am

  8. The holes in the bank — maybe near a river?– look like nesting cavities for cliff swallows.

    May 17, 2017 at 7:23 am

  9. Bank Swallows

    May 17, 2017 at 7:23 am

  10. Chris

    Swallows! I have seen holes like this kayaking along the Connecticut River.

    May 17, 2017 at 7:24 am

  11. Cheryl Ring

    Belted Kingfisher

    May 17, 2017 at 7:27 am

  12. Anthony Borton

    Bank Swallows. Often see them along the Connecticut River in Hadley,MA

    May 17, 2017 at 7:30 am

  13. Cathy McCue

    Did Cliff Swallows make the holes to nest in?

    May 17, 2017 at 7:31 am

  14. My guess is bees; more specifically Mason Bees.

    May 17, 2017 at 7:40 am

  15. Carol Yarnell

    Kingfisher?

    May 17, 2017 at 7:42 am

  16. Cheron barton

    Ur test for today!!

    Sent from my iPhone

    >

    May 17, 2017 at 7:47 am

  17. Perhaps dark-eyed juncos…I considered belted kingfisher too.

    May 17, 2017 at 7:50 am

  18. Kathy

    Bank Swallows

    May 17, 2017 at 7:54 am

  19. Laura Alexander

    the entrance to bank swallow nests

    May 17, 2017 at 7:55 am

  20. Dianne Rochford

    Bank Swallow

    May 17, 2017 at 7:55 am

  21. Jim Lafley

    The size is difficult to tell on the larger hole, but I would say Bank Swallows for the smaller ones and possibly a Belted Kingfisher for the larger hole.

    May 17, 2017 at 7:57 am

  22. Walter Harris

    Bank swallow

    May 17, 2017 at 7:57 am

  23. Clyde

    Bank Swallows.

    May 17, 2017 at 7:58 am

  24. Linde McNamara

    Bank Swallows? Linde Mc.

    May 17, 2017 at 8:13 am

  25. The bank swallos at my local gravel pit.

    May 17, 2017 at 8:19 am

  26. Margaret B Towle

    Belted Kingfisher nesting burrows

    May 17, 2017 at 8:24 am

  27. Elizabeth Hawes

    Bank swallow nesting holes?

    May 17, 2017 at 8:30 am

  28. Alice Pratt

    My guess is bees, don’t know if that soil could support a bees nest! I read all the comments, so I’m probably wrong. 😕

    May 17, 2017 at 8:31 am

  29. Bank swallows! We have them at Napatree Point Conservation Area in Westerly, RI.

    May 17, 2017 at 8:32 am

  30. marianneblake

    swallow

    May 17, 2017 at 8:39 am

  31. Sara Hart

    Kingfisher would be my guess.

    May 17, 2017 at 8:40 am

  32. janice gendreau

    cliff swallows?

    May 17, 2017 at 8:41 am

  33. Kathy Kessler

    These look like bank swallow holes/nests to me.

    May 17, 2017 at 8:44 am

  34. laura luckey

    Actually I was going to say wasps (;-)) and Alice Pratt encouraged me1

    May 17, 2017 at 8:44 am

  35. Kathy Schillemat

    Bank Swallow nests is my guess

    May 17, 2017 at 9:07 am

  36. Pat

    Bank swallows.

    May 17, 2017 at 9:27 am

  37. Evergreen Erb

    I would say bank swallows because there is more than one hole, If it had been one, I would have said Belted Kingfisher, not knowing the size of the hole.

    May 17, 2017 at 9:37 am

  38. Bank swallows. The perspective is a little difficult.

    May 17, 2017 at 9:38 am

  39. David Thomas-Train

    Bank/cliff swallow; would be good to have some familiar object included for scale.

    May 17, 2017 at 9:41 am

  40. Leslie Goldman

    swallow nest holes

    May 17, 2017 at 9:47 am

  41. betsy janeway

    Bank Swallow Nests

    May 17, 2017 at 9:55 am

  42. Jean Bergstrom

    Kingfisher?

    May 17, 2017 at 10:01 am

  43. Sally

    Swallows

    May 17, 2017 at 10:15 am

  44. Knox Johnson

    Bank swallows

    May 17, 2017 at 10:17 am

  45. Sara Root-Simone

    Bank swallow?

    May 17, 2017 at 10:19 am

  46. Tom

    If the this was taken by a stream, those are nesting holes for bank swallows.

    May 17, 2017 at 10:38 am

  47. dedeheath

    As everyone else has said — swallows of some sort.

    May 17, 2017 at 11:05 am

  48. Kit Pfeiffer

    Belted kingfisher

    May 17, 2017 at 11:42 am

  49. Elaine Schmottlach

    bank swallows

    May 17, 2017 at 11:43 am

  50. Having recently read the May 10th section of your wonderful Day By Day book, I’m going with belted kingfisher. Fall back is bank swallows…

    May 17, 2017 at 11:51 am

  51. Viola

    A kingfisher! This embankment must be located within a reasonable distance to a body of water where a kingfisher would fish.

    May 17, 2017 at 12:16 pm

  52. Ann Tiplady

    cliff swallows?

    May 17, 2017 at 12:18 pm

  53. Bridgit Litchfield

    Bank Swallows, entrances to nest cavities.

    May 17, 2017 at 12:21 pm

  54. Bank Swallows

    May 17, 2017 at 12:32 pm

  55. Richard Greene

    bank swallows

    May 17, 2017 at 12:54 pm

  56. Bruce

    Bank swallow nest holes. Seems to be a colony. I don’t think Kingfishers nest colonially. Do cliff swallows nest colonially with mud, each making more of an enclosure instead of an excavated burrow? Years ago saw holes like the ones in the mystery photo along the dirt cliff faces while biking on the Minneapolis bike trail leading from the Univ. MN/West Bank and paralleling the Mississippi River and ending up below the old fort in the refuge of ponds and wetlands.

    May 17, 2017 at 1:00 pm

  57. Bill On The Hill...

    Kingfishers… Must be a brook nearby, they love water…
    Bill Farr

    May 17, 2017 at 1:07 pm

  58. Are they Belted Kingfisher nesting holes

    May 17, 2017 at 1:41 pm

  59. Bank swallows

    May 17, 2017 at 1:50 pm

  60. Bobbie Rausch

    Bank swallow nests

    May 17, 2017 at 2:31 pm

  61. Grace Bartlett

    Bank swallow

    May 17, 2017 at 3:12 pm

  62. gail page

    cliff or bank swallow nest holes?

    May 17, 2017 at 3:56 pm

  63. Noel

    cliff swallow nest holes?

    May 17, 2017 at 4:56 pm

  64. Northern Rough-winged Swallows will use holes like this too.

    May 17, 2017 at 7:13 pm

  65. hillary

    swallow

    May 17, 2017 at 8:56 pm

  66. Louanne Nielsen

    Belted Kingfisher nesting sites.

    May 17, 2017 at 9:42 pm

  67. Lisa White

    Bank swallows?

    May 17, 2017 at 10:16 pm

  68. Susan Straight

    Belted kingfisher holes. Bank and cliff swallows usually nest communally unlike belted kingfishers. The bottom edge of the burrow in the photo has been worn fairly smooth by the parents’ feet.

    May 18, 2017 at 6:31 am

  69. Geoffrey Gardner

    Bank Swallows. We used to watch them from the meadows along the upper CT River in North Stratford, NH where the banks on the NH side of the river were high and just right for them.

    May 18, 2017 at 7:39 am

  70. M Isis Erb

    Bank Swallows

    May 18, 2017 at 9:54 am

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