Collapsing salmon populations now causing population collapse of killer whales

Collapsing salmon populations now causing population collapse of killer whales
(Natural News) A recent study published online in the PLOS ONE website revealed that the depleting Chinook salmon population was be a primary driver for high pregnancy failure rate among southern resident killer whales. According to the study, food scarcity and nutrient deficiency brought by the depleting salmon population was accountable for up to two-thirds of…
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