This lanky boy is a quarter horse foal born at the UC Davis Horse Barn. Foals are able to stand within hours of birth, and some of their first directed behaviors appear towards their mother, including nuzzling and nursing.
[Photo and caption by Isabelle McDonald-Gilmartin]
Reference: Grogan, E. H., & McDonnell, S. M. (2005). Mare and Foal Bonding and Problems. Clinical Techniques in Equine Practice, 4(3), 228–237. https://doi.org/10.1053/j.ctep.2005.07.004
[Edited by Maggie Creamer]