Bonobo infants find the arrival of a new sibling stressful

Cortisol levels in bonobo infants jumped fivefold when they got a younger sibling and stayed high for 7 months, suggesting they found it extremely stressful Life 4 March 2022 By Alice Klein A young bonobo and her mother Sean M. Lee/George Washington University Bonobo infants become highly stressed when they get a younger sibling and … Read more

Baboons: A tough infancy leaves females less sociable as adults

Baboons are sociable primates, but females that had a tough early life – because of the loss of their mother or a lack of food – find socialising harder Life 2 February 2022 By Christa Lesté-Lasserre Olive baboons (Papio anubis) Alexa Duchesnneau and Sam Patterson Female baboons that had a harder life as youngsters tend … Read more