Assessing zoo animal welfare can involve generic evaluations or targeted, species-specific protocols. While the latter offer greater precision, their development is often limited by species diversity and the lack of validated indicators. The Animal Welfare Monitor® (AWM) protocol addresses these challenges by adapting Welfare Quality® principles to zoological contexts. Its core innovation is a four-level hierarchical structure (base, order, family, species) linking broad taxonomic knowledge to species-level protocols. This enables tailored questionnaires for each species, including data-deficient taxa, by leveraging information from related groups. Questionnaires, covering housing, nutrition, health, and behaviour, are complemented by behavioural observations. AWM currently covers 87 species (69 mammals, 15 birds, 2 amphibians, 1 reptile) and constitutes a substantial database of species-specific welfare assessment protocols embedded within a single, standardised methodological framework. Between 2021 and 2025, 14 zoos conducted over 1000 assessments and 15,000 behavioural observations, demonstrating the protocol’s feasibility in routine operations. AWM integrates data entry with visual documentation, such as photographs of enclosures or enrichment, which add context, enhance decision-making, and strengthen long-term records. While refinements such as group-level assessment remain, AWM offers a scalable, flexible tool combining scientific rigour with operational applicability, supporting positive welfare outcomes across diverse zoological institutions.
Romain et al. (Sat,) studied this question.
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