Animals were enticed, led or coaxed onto the scales, as keepers ensured that every mammal, bird, reptile, fish and invertebrate was weighed and recorded.

Animals were enticed, led or coaxed onto the scales, as keepers ensured that every mammal, bird, reptile, fish and invertebrate was weighed and recorded.

La información obtenida durante estos controles también se comparte con otros zoológicos y centros de conservación