Need or opportunity? A study of innovations in equids.
Authors: Krueger Konstanze, Esch Laureen, Byrne Richard
Journal: PloS one
Summary
# Editorial Summary: Need or Opportunity? A Study of Innovations in Equids Whilst the biological drivers of animal innovation remain contested, Krueger and colleagues sought to clarify whether equids innovate primarily when addressing deficits or when environmental conditions permit exploration and play. Drawing on 746 documented cases of unusual equine behaviour sourced through owner surveys, online platforms, and video repositories, the researchers examined how sex, age, breed, management practices (housing, pasture access, roughage availability, and social grouping) and behavioural context shaped both the diversity of innovative behaviours and their repetition frequency. The findings reveal a nuanced picture: although individual characteristics showed no influence, management factors proved decisive—equids in group housing with unlimited pasture and roughage access demonstrated substantially greater behavioural variety, whilst those in permanent social contact exhibited high repetition rates of previously-novel behaviours, suggesting urgent social conflict resolution. Notably, escape and foraging innovations were comparatively rare, whereas comfort, play, and social contexts generated the broadest range of novel behaviours, implying that equids devise their most creative solutions when fundamental needs are reliably met and cognitive opportunity permits. For equine professionals, these results underscore that enriched environmental conditions—particularly group housing, generous forage access, and pasture availability—facilitate cognitive development and behavioural flexibility, whilst restricted management may constrain not only welfare but also the animal's capacity for adaptive problem-solving.
Read the full abstract on PubMed
Practical Takeaways
- •Group housing with unlimited pasture and roughage access promotes cognitive engagement and behavioural variety in equids, potentially reducing stereotypic behaviour and welfare issues
- •Individual housing and restricted access to feed/pasture may force equids into goal-directed problem-solving (escape/foraging) rather than encouraging rich behavioural repertoires
- •Providing good environmental conditions and social contact allows equids to express natural play and comfort behaviours, indicating these are signs of welfare, not just survival responses
Key Findings
- •Equids kept in groups showed higher numbers of different innovation types compared to individually housed animals
- •Comfort, play, and social contexts elicited the greatest variety of innovations, while escape and foraging contexts showed fewer innovation types
- •Unlimited access to pasture and roughage was associated with greater variety of innovations compared to restricted access
- •Sex, age, breed, and equid species did not significantly affect the numbers or frequency of innovative behaviours