Born of tragic circumstances, a beautiful bond has formed between a mare who lost her baby and a foal who lost his mom. The 13-year-old Zangersheide mare named Citty Z lost her first baby two months prematurely to stillbirth. Yet her owners, Iris Pinkster and Sanne Kolman of the Netherlands, were convinced she had what it takes to foster. The moment for a trial came when a male foal from different owners lost his mother to colic, a gastrointestinal condition that causes severe abdominal pain. After the sudden death of his mother, the foal was left weak and malnourished. Iris and Sanne, who run TikTok page @equitality together, shared in a video that they wanted to offer Citty as a foster mother. And because the foal was already weak, they said, he needed a “new mommy” as soon as possible. In the moving footage, the distressed and disoriented foal is led into Citty’s …