Environmental Enrichment Increases Foraging Duration in Chilean Flamingos Under Human Care.

Animal welfare is a priority for modern zoos, with environmental enrichment playing a key role in promoting natural behaviors. We studied a captive flock of Chilean flamingos () at the Chilean National Zoo, which was normally fed in a concrete pool. We evaluated the effects of introducing mud-based enrichment to stimulate natural foraging behavior.

Echo-Biometry Assessment of a Quadruple Pregnancy in a Captive Capybara.

A 5-year-old female capybara, conditioned ex situ before mating, was monitored by ultrasound to establish prenatal growth and assess fetal echo-biometric variables. The records were taken twice weekly until delivery (i.e.