The Huck Blog

Field Notes

Data stories from the wild: what community wildlife sightings reveal about the animals around us, told with maps.

Illustrated map of the Pacific coast showing gray whale viewing headlands in a line from Washington and Oregon down through Point Reyes and Monterey to Southern California and San Diego

Latest · October 31, 2026

The gray whales are swimming past the coast right now. Here’s where to watch, mapped.

Twice a year, gray whales pass close along the Pacific shore on one of the longest migrations of any animal, so close you can watch a spout from a cliff with no boat at all. The map shows the headlands where people line up to see them go by.

Illustrated map of the northern United States showing clusters of wintering bald eagles in the Pacific Northwest, along the Upper Mississippi River and Great Lakes, and in the mid-Atlantic near the Susquehanna

October 31, 2026Winter is the best time to see a bald eagle. Here’s where they gather, mapped.In the cold months, bald eagles pull off the frozen north and pile up by the dozens wherever the water stays open and the fish are easy. The map shows the winter gathering grounds, from the Upper Mississippi to the Skagit to a dam on the Susquehanna.

Illustrated map of the American Southwest showing sandhill crane sightings concentrated in Colorado’s San Luis Valley and along the Rio Grande near Albuquerque and Bosque del Apache, with scattered birds into Arizona and west Texas

October 31, 2026Where to see the sandhill cranes at Bosque del Apache this winter, mappedEvery winter, tens of thousands of sandhill cranes drop into the Rio Grande valley and a few other southwestern basins, lifting off their roost ponds at dawn in a wall of sound. The map shows where the wintering flocks gather, with Bosque del Apache at the center.

Illustrated map of North America showing snow goose sightings dense across the Central Flyway and Great Plains, the Gulf Coast, the Mississippi Valley, and the mid-Atlantic, with the Arctic breeding grounds off the top of the map

October 31, 2026The snow geese are pouring south right now. Here’s where to see the blizzard, mapped.A snow goose flock does not trickle in, it arrives like weather: tens of thousands of white birds dropping onto a single marsh, then blasting off all at once in a roar you feel in your chest. The map shows where the great winter concentrations land.

Illustrated map of California showing monarch butterfly overwintering groves in a coastal arc from the San Francisco Bay Area down through the Monterey Peninsula, Big Sur, and San Luis Obispo to Santa Barbara

October 31, 2026The monarchs are landing on the California coast right now. Here’s where to see them, mapped.Every winter, the monarchs west of the Rockies skip Mexico and pile into a string of coastal California groves instead, clustering on the same trees by the thousands. The map shows the famous spots, and the season is just starting.

Illustrated map of western North America showing pronghorn sightings concentrated across Wyoming, Montana, the Dakotas, the Great Basin, and down into New Mexico and northern Mexico, with a sharp eastern cutoff at the Great Plains

October 17, 2026Where to see a pronghorn, mapped: the fastest animal in the Americas is still running from a ghostOut on the sagebrush West is an animal that can run fifty-five miles an hour for miles on end, far faster than anything alive can chase it. The map shows where it still roams, and the reason it is so overbuilt has been extinct for twelve thousand years.

Illustrated map of the northeastern United States and eastern Canada showing moose sightings concentrated in Minnesota and the Upper Great Lakes, across Ontario and Quebec, the Adirondacks, and New England, with a sharp southern cutoff above Chicago, Detroit, and Pennsylvania

October 10, 2026Where to see a moose, mapped: the giant of the North Woods and the warming line pushing it northThe rut is on right now, which makes October the month a thousand-pound bull is most likely to walk out of the trees. The map shows where the moose still are, and its sharp southern edge is really a temperature line that keeps creeping north.

Illustrated map of North America showing sandhill crane sightings concentrated in the Upper Midwest and Great Lakes, the Rocky Mountains, the Canadian prairies, and Florida and the Gulf coast

October 5, 2026The sandhill crane migration is underway: where to see one of Earth’s oldest birds, mappedRight now, across the middle of the continent, one of the oldest migrations on the planet is in motion. Four-foot birds with a bugle you hear before you see them are funneling south along ancient flyways. The map shows where they pile up.

Illustrated map showing monk parakeet sightings across Texas and Florida and, surprisingly, in Chicago and the Northeast, far north of where a parrot is expected to survive winter

September 23, 2026America has wild parrots now, mapped: the parakeet that beat winter and the parrot that’s safer in exileWild parrot flocks screech over American cities, and not just in the tropics. The map shows where they have settled, from a parakeet riding out Chicago winters to an endangered Mexican parrot that may now be safer living feral in the United States than at home.

Illustrated map of North America showing elk sightings dense across the Rocky Mountains and intermountain West, with distinct reintroduced outposts in Michigan, the southern Appalachians, Kentucky, and the Arkansas Ozarks

September 15, 2026The elk rut is on right now. Here’s where to hear it, mapped.For a few weeks every fall, the biggest deer in North America lose their minds and fill the mountains with a sound like a train whistle crossed with a dinosaur. The map shows where the elk are: a huge western stronghold, and a handful of eastern valleys where the bugle was brought back from nothing.

Illustrated map of North America showing American crow sightings blanketing the country, densest across the East, Midwest, and cities

September 15, 2026Crow vs raven: how to tell them apart, and the maps that show where each one rulesThey are both big, black, and brilliant, and people mix them up constantly. But a crow and a raven are different birds, and they mostly live in different halves of the country. Here is how to tell them apart, and the maps that give it away.

Illustrated map of the California coast showing great white shark sightings clustered around San Francisco and the Farallones in the north and from Santa Barbara through San Diego in the south, with the central coast sparse between

August 31, 2026California’s great white sharks, mapped: adult seal-hunters up north, baby sharks in the surf down southPlot every white shark sighting in California and the state splits in two. Off San Francisco, big adults patrol the seal colonies of the Red Triangle. Off Santa Barbara and San Diego, dozens of juveniles share the warm shallows with surfers who mostly never know they are there.

Illustrated map of the American Southwest showing Gila monster sightings across central and southern Arizona, southern Nevada near Las Vegas, and into Sonora, Mexico

August 31, 2026How a Gila monster led to Ozempic: the desert lizard behind the GLP-1 drugsYou may have seen the claim that Ozempic comes from Gila monster venom. It is not quite true, and the real story is better: a slow, venomous desert lizard that eats a few times a year carried the peptide that launched the biggest class of drugs in modern medicine.

Illustrated map of Florida showing manatee sightings ringing both coasts, dense along the Indian River Lagoon on the Atlantic side and the spring-fed rivers of the Gulf coast, with stragglers north to Georgia

August 31, 2026Where Florida’s manatees gather, mapped, and why they’re running out of safe waterA thousand-pound vegetarian with no natural enemies should be easy to keep alive. The manatee is one of the hardest animals in Florida to save, and the map of where they gather is really a map of the few warm, food-rich places they have left.

Illustrated map of North America showing beaver sightings across nearly every watershed, dense in the Midwest, Great Lakes, Northeast, and Rockies, thinning only in the desert Southwest

August 31, 2026The beaver we nearly wiped out is now one of our cheapest defenses against drought and wildfireWe almost erased the beaver for its fur, and in doing so we deleted one of the most useful animals on the continent. It is back nearly everywhere there is fresh water, right as we have finally understood what it builds: firebreaks, water storage, and drought insurance, for free.

Illustrated map of eastern North America showing monarch butterfly sightings dense across the Midwest and Northeast in late summer, with a single cluster far south near central Mexico where the migration ends

August 15, 2026The monarch migration is happening right now, and Washington is deciding whether it survivesEvery orange dot on this map is a monarch heading for a few mountaintops in central Mexico. The eastern population is down about 80 percent, the western more than 95, and a federal decision on protecting them is overdue. This is the migration that decision is about.

Illustrated map of Texas and the Southwest showing western diamondback rattlesnake sightings blanketing the state, densest across the west-central Texas roundup country

August 15, 2026America still gasses rattlesnakes out of the ground by the ton, and the map shows the costThe western diamondback is common enough that Texas towns pump gasoline into its dens and kill it by the thousands at annual festivals. Its close cousin, the timber rattlesnake, was hunted the same way for three centuries and is now so reduced that in much of the country it is a crime to touch one. Two rattlesnakes, two fates.

Illustrated map of the eastern United States showing hellbender sightings concentrated along the southern Appalachians and the Allegheny, scattered through the Ohio and Tennessee valleys, absent from the lowlands

August 15, 2026The hellbender is a two-foot salamander that only lives in clean water. The map shows where Appalachia still has it.Anglers called it the snot otter and killed it on sight for generations, wrongly. North America’s largest salamander breathes through its skin and cannot survive a dirty stream, which makes it a living gauge of water quality. It has vanished from nearly half its known homes, and its federal protection is stuck in limbo.

Illustrated map of the United States showing coyote sightings in every mainland state, coast to coast, dense across the Great Lakes, Northeast, Southeast, and Texas

August 15, 2026The eastern coyote is part wolf, and it lives in every town nowA century ago the coyote was a plains animal of the West. Then we cleared out the wolves, and it walked into the vacancy, interbreeding with the last of them along the way. The animal that reached the East Coast is bigger, part wolf, and almost certainly living closer to you than you think.

Illustrated map of North America showing Virginia opossum sightings dense across the eastern United States and pushing north into Minnesota, Michigan, and Ontario, absent from the arid interior West

August 15, 2026The opossum is North America’s only marsupial, and almost everything you believe about it is wrongIt hisses and drools and looks like a giant rat, so we treat it like vermin. In fact it faints instead of fighting, shrugs off snake venom, almost never carries rabies, and is quietly expanding north into towns that never had one.

Illustrated map of the United States showing black vulture sightings dense across the Southeast and Texas and pushing north into the lower Midwest and up to Pennsylvania, with nothing above that line

August 15, 2026The turkey vulture smells death from a mile off. The black vulture cheats off its nose, and it’s moving north.Two big dark birds ride the thermals over most of America, and from below they look nearly identical. One is a bloodhound with wings. The other is a thief that follows the bloodhound to dinner, and it is pushing north into cattle country that was too cold for it a generation ago.

Illustrated map of the Southeastern United States showing gopher tortoise sightings dense across Florida and up into Georgia, coastal South Carolina, and the Alabama Gulf Coast

August 15, 2026A single gopher tortoise burrow shelters 350 other species. Florida is paving over them.The gopher tortoise is the landlord of the Southeast, digging burrows up to 40 feet long that snakes, frogs, owls, and rabbits all shelter in. It is one of the few animals whose disappearance takes hundreds of others with it, and the government just declined to protect most of its range.

Illustrated map showing gray fox sightings dense across the Southwest, Appalachians, Southeast, and into Mexico, but nearly absent from the Midwest and northern plains

August 15, 2026The gray fox climbs trees like a cat. The red fox learned to live with us. Only one is winning.North America has two common foxes and they could not be more different. One is an ancient tree-climber of the brush and forest. The other is a recent, adaptable opportunist that followed us into the suburbs. Put them on a map and they carve the country in two, and the line between them is moving.

Illustrated map of the Florida peninsula showing alligator sightings spread across the whole state and American crocodile sightings clustered at the southern tip around the Everglades, Florida Bay, and Miami

August 14, 2026Alligators and crocodiles coexist in exactly one place on EarthPlot every alligator sighting in Florida and you fill the whole peninsula. Plot the American crocodiles and nearly all of them crowd into the state’s southern tip - the only waters on the planet where the two animals live side by side.

Illustrated map of the American West showing wild horse sightings blanketing the Great Basin across Nevada, Utah, Oregon, Idaho, and Arizona

August 14, 2026America has two kinds of wild horse country, and they could not be less alikeMap the wild horse sightings and the United States splits in two: a vast inland sea of mustangs across the Great Basin, and a handful of tiny island herds clinging to Atlantic beaches. Same animal, two completely different wild Americas.

Illustrated map of Yosemite National Park with the park shaded green, showing black bear sightings along the Tioga Road corridor, yellow-bellied marmots in the high country, and mule deer near the southern entrances

August 14, 2026What Animals Live in Yosemite?Around 400 vertebrate species call Yosemite home, from the black bears everyone asks about to a marmot-and-pika high country and the southernmost great gray owls on the continent. Here is who you will actually meet, and where.

Illustrated map of the Grand Canyon region showing California condor sightings near Vermilion Cliffs and Marble Canyon, elk at the South Rim, and Abert’s squirrels in the ponderosa forest around Flagstaff

August 14, 2026What Animals Live in the Grand Canyon?Roughly 450 bird species, 90 mammals, and nearly 60 reptiles and amphibians live in and around the canyon. Here are the ones worth knowing: the giant, the lawn-mowing regulars, and a squirrel found nowhere else on Earth.

Illustrated map of the Salish Sea from Vancouver to Tacoma showing killer whale and harbor seal sightings threaded together through the San Juan Islands, Haro Strait, and Puget Sound

August 13, 2026The Salish Sea has two kinds of killer whale, and they ignore each otherEvery orca on this map is one species with one silhouette. But the whales around Seattle belong to two populations that do not interbreed, do not share calls, and will not eat the same food - and the balance between them has flipped within living memory.

Illustrated map of Cape Cod showing white shark and gray seal sightings clustered along the outer beaches from Provincetown to Monomoy and Nantucket

August 12, 2026The Cape Cod shark map is really a seal mapPlot every white shark sighting around Cape Cod and you trace a line down the outer beaches. Plot the gray seals and you draw the same line - because one map is causing the other.

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