Which innovative design feature was first introduced in wildlife tracking collars around 2010 that significantly improved animal welfare and data collection?

Pet and wildlife products have undergone significant design transformations over the decades to better serve animal welfare and conservation efforts. This poll explores how product design in the animal industry has evolved to address specific behavioral needs. Test your knowledge about a groundbreaking design change that revolutionized how we approach wildlife conservation tools.

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Expandable collar design that grows with young animals
Solar-powered GPS transmitters
Biodegradable construction materials
Remote medication delivery system