For Jenny Voisard, watching the daily antics of a bald eagle family perched above the shimmering waters of Big Bear Lake in Southern California is about togetherness as much as birdwatching. “We’re all together as a community. We mourn together, we laugh together, we cry together. So it’s emotional and deep. It’s hard to explain in words, really,” Voisard tells Popular Science. A former corporate marketing consultant from Oregon, Voisard now wo…