The total as of May 10 was 44, up from 31 on May 3.
Thunderbolt was the top producer with six foals, followed by Hoppy with five.
There were 23 fillies, 19 colts and two undetermined.
Refer to this spreadsheet for a ranking of sires.
The herd consisted of 23 males and 126 females last August but those numbers may change after the pony swim and auction this July.
FWS allows a maximum of 150 horses in the refuge.
RELATED: Chincoteague Foals Blooming Like Wildflowers.
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