Los Angeles Times: “Column: Bears thriving at Yosemite. Clear skies. Does coronavirus reveal a ‘World Without Us’?” — “Skies have cleared over the smoggiest urban centers, wildlife runs free in parks, streets and plazas, flowers rise from the cracks of formerly well-trodden sidewalks and birdsong replaces the more motorized score of modern daily life. With much of the world’s population on COVID-19 lockdown, nature has never seemed more gloriously present — sublimely indifferent to human anxieties, eager to run riot over all the places in which it was once controlled, to return to the spaces from which it was expelled.”
Washington Post: “As humans stay indoors, wild animals take back what was once theirs” — “It’s not easy being a baby sea turtle, hatching into a human’s world. Curious children, leashless dogs, oblivious joggers: The dangers are many. Some never complete their postnatal dash to the ocean.”
New York Times: “Animals Are Rewilding Our Cities. On YouTube, at Least.” — “At the end of March I was, like many people, spending hours each day on the internet, my attention glued to graphs of projected deaths, maps of infection hot spots, photos of masked travelers huddled in subway cars. But then new images appeared, and they were quite unlike the others. Here were maps showing improvements in air quality, photographs of deserted streets and squares bathed in sunlight and, most surprising, videos of wild animals thriving in newly deserted towns and cities.”
Washington Post: “The coronavirus pandemic has halted tourism, and animals are benefiting from it” — “As the coronavirus pandemic spreads, lockdowns are extended and restrictions on global travel continue to tighten, one of the industries hit hardest by the lack of travelers has been animal tourism.”
In a time of crisis, we can see the public becoming more conscientious of everyday interactions such as wearing face masks or being aware of the space between yourself and a stranger. In the stillness of lessened social obligations, we are able to reflect on the nature of our backyards, parks, and wild. There are crowds being drawn to outdoor spaces, campgrounds full of those eagerly wishing to experience something beyond the confinements of their homes, apartments, or (for some) workplaces as the weather gets warmer. In this unprecedented time, some are able to find peace in nature, observe it more closely, and watch the seasons change as we sail forth uncertainly into the future.
It is clear that the lockdown of humans is helping nature and biodiversity rediscover their natural spaces. With the lockdown, not much is happening, it is quiet. And animals, be they coyotes or turkeys, are potentially rediscovering their confidence and peace, allowing them to come closer to urban areas.
Still, a significant shift is about to take place. If we really do live in the Anthropocene—an epoch of natural history defined by the effects of human beings on the planet—then a drastic curtailing of our activity (reduced air and car travel; our disappearance from streets, parks, and beaches; changes in hunting, fishing, and wildlife management practices) will have effects that are felt throughout nature. What are animals, and other wild things, going to get up to in our absence?
The animals that are most likely to undergo rapid, dramatic shifts in behavior when human beings go inside are also some of the most visible. In New York City, squirrels, pigeons, rats, raccoons, and a few gull species will have to adapt right away. In places where bears and coyotes are more common, those populations will also have to quickly recalibrate. Any animal that depends on human scraps for a significant portion of its diet will have to either find alternative local food sources or fan out to new places. It’s interesting because a lot of the wildlife that tends to thrive in cities are generalists. They take advantage of any resource they can get, and have a lot of behavioral plasticity. That sets them up to be able to adapt to short-term changes in the environment quickly and easily.
In cities, that could mean moving to new places. The mass closure of restaurants and dramatic declines in public (i.e. subway) ridership could force rat populations that inhabit those places to fan out and look elsewhere for meals. If parks close or empty out significantly, raccoons and squirrels will no longer be able to depend on the steady supply of food offered by public garbage cans. If public beaches abbreviate their seasons, the herring gulls and laughing gulls that spend the warmer months chasing down potato chips and other food left unattended by beachgoers will have to seek out a new food supply.
It’s pretty clear where all those animals will need to go if they want to keep eating scraps. Although human garbage will disappear from some public spaces, people are still eating the same amount they were before. I thought about all of the cooking I’ve been doing recently, and the pictures of home-cooked meals that my friends and family have been sending me. There’s an influx of trash in residential neighborhoods and that’s a smorgasbord for these animals.
Natural systems, when you look at them closely, are deeply interconnected. A year that produces a high yield of pine cones, for example, even in just a single area, can have ripples that lead to population spikes, changes in migration patterns, and habitat realignment for multiple species across vast areas for more than one season. We can make predictions based on what we know about wildlife but the urban system is quite complex. Animals have learned to adapt to and make use of human behavior in countless ways, from the birds that follow fishing boats out to sea, to the peregrine falcons and red-tailed hawks that nest on bridges and skyscrapers, to the eels that writhe through our sewers.
One of the most significant human-made impositions on wildlife, our highways and streets that hum constantly with traffic, have emptied out as travel declined dramatically. Roadways, cars, and traffic have the ability to contain wildlife in particular places. As those barriers came down, animals suddenly found their movements less inhibited. Ranges have expanded, and some animals that were suffering from constricted habitat might have found themselves in a more secure situation. It sounds delightful, but it’s a dramatic change that came on quickly and will flip back just as quick, as soon as we turn the switch.

Indeed, every animal exists in a wider food web. In urban settings, rats, squirrels, and pigeons are prey for larger animals like feral cats and raptors, which might have to adjust their behavior as their food sources fan out. A change in behavior even in a single species could set off a chain reaction that affects animal behavior in countless unpredictable ways. There are a dizzying number of moving parts, all of them connected in a giant chain of causes and effects that are nearly impossible to predict. A large population of white-tailed deer, for example, can devastate a forest’s understory by grazing on low-lying plants and saplings. Even a modest population bump from a reduction in automobile collisions could set back woodlands for years to come.
There are other species that might stand to benefit, at least in the short term. If public beaches don’t fill up this summer, shorebirds that nest there will likely have a better breeding season than they would otherwise, with thousands of miles of new habitat suddenly available to them when they arrive. Birds and mammals that are highly sensitive to noises or susceptible to being killed by car traffic will probably fare slightly better too. There are hints that things are already starting to change. It’s hard not to feel like these are tremors of things to come—a realignment in the way animals interact with the world that will match, in some ways, the extraordinary intensity and insanity of what’s unfolding in the human world every day. There have already been many YouTube videos popping up showing whales coming further up water channels, coyotes prancing along sidewalks, and news of animals thriving in wildlife areas with reduced tourism.
Still, it would be idiotic to indulge in the fantasy that human beings going inside for a few months will somehow allow the natural systems we’ve damaged over centuries to “heal.” The wear and tear of human behavior on wildlife has been long-term and extensive. Many of the ways humans affect wildlife are more permanent than us scaring them into staying put or accidentally feeding them with our trash.
Our disappearance from the world is happening at a time of massive flux for creatures. This might have its own set of influences. Our abrupt retreat inside was preemptive, a reaction to information from scientists and journalists about an event we knew was coming. Animals don’t have newspapers or epidemiologists to tell them how to prepare; they’re still just out there, migrating, hunting, trying to survive. It’s one of the reasons their reactions are so difficult to anticipate. Just like us, wildlife is at the beginning of this crisis—they just don’t know it yet. While we get guidance from political figures and doctors, animals will respond with reflex and instinct. And even as they adapt to us being gone, they can’t realize that, eventually, we’ll come back. Which means that despite modest benefits that might reach specific populations due to our absence, there’s no reason to believe that the factors that initially put stress on those animals won’t come roaring back whenever people head outside again.
My best guess is that there will be further developments in the coming weeks—reports of animals spreading out into new areas to explore habitat options or look for food. Some may become aggressive or behave in other strange ways. Human beings and bears, for example, will come into closer contact than either species is accustomed to. It might lead to a modest shift, or a series of isolated, temporary incidents.
With all this in mind, I recently took a trip to the Steens Mountain in Eastern Oregon. I enjoyed the sights of beautiful violet-green swallows, golden eagles, wild horses, and prairie dogs. I locked eyes with a pair of mule deer who proceeded to go stotting off, presumably looking for a safe place for the mating season. As I was getting ready to leave, an American pika caught me off guard. It was staring from the end of a gravel parking lot a few feet away. It was well within the 6-foot bubble that I’d been keeping between myself and other people—closer, in fact, than any wild mammal had ever let me get. We looked at each other for a long minute before the sound of a car traveling down the gravel road scared it behind some boulders.
Wired: “The Coronavirus Lockdown Is a Threat for Many Animals, Not a Blessing” — “It’s a trope from any movie about the end of humanity: Vegetation slowly reclaims cities, while deer and foxes roam the streets. Probably the closest we’ll ever get to this scenario without an actual apocalypse is happening right now in locked-down metropolises across the world. In San Francisco, coyotes—normally scared away by cars— are traipsing across the desolate Golden Gate Bridge. In the Welsh town of Llandudno, mountain goats are moving in. In Barcelona, wild boar have infiltrated the city center.”
Weforum: “Nature’s comeback? No, the coronavirus pandemic threatens the world’s wildlife” — “Despite promising signs that lack of human activity had lead to flourishing wildlife across the world, loss of income is causing some people to exploit the environment. Wild animals, fish and forest trees are rarely owned by anyone, and they are found in rural areas where policing is difficult.”
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