Bobolink Map and Data

Max Breeding Status# Quads# Priority Blocks# Total Blocks
Confirmed337287393
Probable340328442
Possible7071100
Species Total747686935
Total in Atlas113210413854
Species Percentage65.9965.9024.26
 Species Total is the sum of all quads/priority blocks/total blocks the species was recorded in with at least a Possible breeding status. Total in Atlas is the number of quads/priority blocks/total blocks in the atlas with data (regardless of species). Species Percentage is the Species Total quads/priority blocks/total blocks divided by the Total in Atlas quads/priority blocks/total blocks.

Breeding Behavior# RecordsMin DateMax DateMid Date(s)
Fledged Young104 06/14 08/19 07/09, 07/10
Feeding Young218 06/04 08/07 06/27, 06/28
Nest With Young21 06/07 07/06 06/19
Nest With Eggs15 05/17 07/10 06/13
Occupied Nest13 05/23 07/16 06/20
Distraction Display28 05/20 07/18 06/30, 07/01
Nest Building12 05/16 07/06 06/11, 06/12
Territorial/Courtship114 05/16 07/23 06/15
 Territorial/Courtship category includes five Probable breeding codes: T (Territorial), C (Courtship), N (Hole Nesters Visiting Nest Site), A (Agitated Behavior or Anxiety Calls), and B (Nest Building by wrens or woodpeckers). Nest Building category includes CN (Carrying Nesting Material) and NB (Nest Building). Nest with Young category includes NY (Nest with Young) and FS (Carrying Fecal Sac). Breeding codes of PE (Physiological Evidence), DD (Distraction Display), and UN (Used Nest) are not listed.

Max Abundance# Total Blocks
Not Indicated213
1 breeding pair56
2-10 breeding pairs364
11-100 breeding pairs287
101-1000 breeding pairs15
 Number of Total Blocks is the number of blocks for which the indicated abundance is the maximum recorded for the species in the block. Abundance represents the estimated number of breeding pairs in a block.

Habitat Code# Records
Not Indicated 351
FUCs(p) 1
FUH 1
FUHo(e) 1
O 1
OLA 15
OLAa 6
OLAg 26
OLAp 7
OLN 3
OLNm 20
OLU 23
OLWm 2
OU 10
OUA 74
OUA (g) 2
OUAa 86
OUAc 2
OUAg 222
OUAp 51
OUAr 1
OUAs 3
OUN 35
OUU 197
OUU (g) 1
SLHc 1
SLHn 1
SUCo 1
SUHo 6
SUM 1
SUMn 1
SUMo 2
URR 1
UU 1
UUO 4
UUR 1
 Habitat Codes are listed from all records for the species. More than one habitat code may have been recorded in a quad or block for the species. For explanation of habitat codes, see Habitat Codes.

Breeding Code# Records
FL 1
Total1
 Confirmed Brown-headed Cowbird records where Bobolink was indicated as host species.
MinDate: 06/28 MaxDate: 06/28 for this species.

Total confirmed BHCO Records where host is indicated: 480
Total species indicated as hosts: 64


Last edit date: May 2, 2003