Figure 4. Mean daily number of kills observed per five-day period in the eastern Beaufort Sea between 1985–2011.

4a: Mean daily number of all kills observed (± SE); error represents combined daily and annual variation in observations. Grey shading indicates peak ringed seal whelping in the Beaufort Sea [12]. 4b: Mean number of ringed seal pup (0+ years), juvenile (1–6 years) and adult (≥7 years) kills observed.