An interesting finding - whale strandings

From Current Biology:

Gray whales strand more often on days with increased levels of atmospheric radio-frequency noise
Relatively little is known about the cues whales use while migrating. Visual cues in the ocean are often limited, which may drive oceanic migrators to use other sensory modalities, such as the ubiquitous geomagnetic field [1]. While it is impractical to perform behavioral assays on whales, strandings have been recorded for decades, and may provide insight into whale migration. Many strandings document that the individual was neither ill nor injured and resumed normal activity following rescue [2, 3, 4]. It is therefore possible that a portion of these animals stranded due to navigational errors. Although many factors impact strandings (e.g. naval mid-frequency sonar, disease, etc.) [5], here we focus on whether strandings can be used to study the potential for magnetoreception in migratory whales. Previous studies have used spatial patterns in strandings to suggest the potential for magnetoreception in cetaceans [4,6]. We use 31 years of gray whale (Eschrichtius robustus) stranding data (n = 186) to build on earlier work that found a positive relationship between strandings and sunspot counts [2,3]. Sunspots are strongly correlated with solar storms — sudden releases of high-energy particles from the sun that modify the geomagnetic field and thus have the potential to disrupt magnetic orientation behavior [7]. We examined relationships between strandings and two aspects of Earth’s magnetosphere altered by solar storms — radio frequency noise and displacements in the Earth’s magnetic field. Our results suggest that the increase in strandings under high solar activity is best explained by an effect on the sensor, not on the magnetic field itself.

A long paper but a well written one (this is just a brief excerpt). They used 31 years of data encompassing 186 strandings so this is not a small sample. It's our sun. It is nothing that we are doing, just a natural cause - our sun. Just like our climate is driven by our sun. Natural variation there too. Simple really.