Common Birds Spotted in San Francisco: ID Guide
Wondering what bird you just saw in San Francisco? Identify the most common SF birds by appearance, habitat, and behavior — from hummingbirds to falcons.
Know every bird you see
57 articles
Wondering what bird you just saw in San Francisco? Identify the most common SF birds by appearance, habitat, and behavior — from hummingbirds to falcons.
Trying to identify a bird in Malaysia? Discover the most common Malaysian birds by color, size, habitat, and call — with expert ID tips for each species.
Wondering what a wren is doing? Learn to decode cocked tails, singing, nest-building, and more across all 11 North American wren species.
Wondering what bird your cat is watching on Cat TV? Identify all 10 common species — cardinals, jays, chickadees, and more — with this quick visual guide.
Wondering about a strange mark on your hummingbird's belly? Learn what spots, colors, streaks, and patches mean — from plumage to pollen to parasites.
Hummingbird or moth? Learn the key differences between a hummingbird vs hummingbird hawk-moth with expert field marks, behavior clues, and ID tips.
Juvenile dark-eyed juncos look nothing like adults — streaked, buffy, and sparrow-like. Learn why young juncos appear 'wrong' and how to identify them confidently.
Identify the American Robin with confidence — field marks, behavior, habitat, diet, and expert birding tips for North America's most familiar thrush.
Spot a mystery bird in your yard? Learn how to identify common backyard birds like the Northern Cardinal, tell look-alikes apart, and find out if your bird is rare.
Can you guess these bird calls? Test your knowledge with 10 iconic North American bird sounds — from the cardinal's whistle to the loon's haunting wail.
Wondering what a northern flicker is doing in your yard? Learn to identify its ground-foraging, drumming, courtship, and other fascinating behaviors.
Wondering how to pronounce pileated woodpecker? Both PIE-lee-ay-ted and PILL-ee-ay-ted are correct. Learn why, plus ID tips, habitat, diet, and birding advice.
Yes, a cowbird nestling can suffocate a bluebird nestling. Learn how brood parasitism, rapid growth, and nest-box dynamics put bluebird chicks at deadly risk.
Is it pileated woodpecker or pileated woodpecker? Both spellings are the same — the real debate is pronunciation. Learn how to say it, ID it, and find it.
Learn what a Hairy Woodpecker is: key field marks, how to tell it from a Downy Woodpecker, habitat, diet, feeder tips, and conservation status.
Discover why it's called a sharp-shinned hawk — from its blade-like leg bone to its nicknames. Plus ID tips, habitat, diet, and migration facts.
Found a baby robin on the ground? Learn whether it needs help, how to tell fledglings from nestlings, and exactly what to do — and not do — to keep it safe.
Swollen eyes, bald head, or lethargic behavior in a House Finch? Learn the most common causes, from eye disease to molting, and what you can do to help.
Discover why the hairy woodpecker got its unusual name, from its wispy back feathers to its Latin species name villosus — plus ID tips, habitat, and feeder advice.
Learn the great horned owl identifying characteristics: ear tufts, yellow eyes, barred plumage, white throat patch, and more. Full field guide with habitat and behavior.
Wondering what a fluffy, puffed-up Blue Jay is doing? Learn the top reasons Blue Jays fluff their feathers — from staying warm to illness — and when to be concerned.
Blue jay looking different than usual? Learn why Blue Jays vary by age, molt stage, and season — plus look-alike species, plumage science, and ID tips.
Your complete bird watching guide to Costa Rica — 930+ species, top birding sites, identification tips for quetzals, macaws, toucans, and more.
Learn how to identify a Blue Jay by plumage, size, calls, and behavior. Expert field marks, habitat clues, and tips for backyard birders.
Learn how to tell male and female woodpeckers apart across 8 species. Spot key field marks like red patches, mustache stripes, and crown color differences.
Learn how to attract birds in Florida with the right feeders, native plants, and water features. Discover top species, habitats, and expert tips for every region.
Learn how to catch birds in Dinkum with step-by-step trap placement, bait tips, and biome guides — plus real-world facts on Australian birds featured in the game.
Learn how to safely stop birds from making a nest on your front porch with humane deterrents, legal tips, and species-specific advice for robins, swallows & more.
Find the best birding app for beginners. We compare Merlin, eBird, Audubon, and more on ease of use, sound ID, and offline access to help you choose.
Learn how to draw birds using John Muir Laws's observation-based method. Field marks, gesture sketching, species examples, and nature journaling tips.
Learn how to attract birds to your garden with the right feeders, food, plants, and water features. Expert tips for cardinals, goldfinches, hummingbirds & more.
Learn how to draw a bird easy with step-by-step tips for robins, chickadees, and cardinals. Master simple shapes, anatomy, and color blocking for beginners.
Attract stunning crimson desert birds like Pyrrhuloxia, Vermilion Flycatcher & more. Expert tips on feeders, native plants, water features & top Southwest birding spots.
Learn how to tell if a nestling is truly abandoned using expert behavioral cues, species ID tips, and step-by-step assessment for common North American birds.
Learn how to identify a cardinal by plumage, shape, song, and behavior. Covers males, females, juveniles, habitat, and look-alikes in one complete guide.
Learn how to attract exotic birds like Painted Buntings, Monk Parakeets, and Green Jays with expert feeder, habitat, and field tips for North American birders.
Wondering what a nuthatch nest looks like? Discover nest materials, cavity details, and how all 4 North American nuthatch species build their nests.
Learn how to identify a bluebird nest by materials, eggs, and location. Covers all 3 North American species plus comparison with Tree Swallow and House Wren nests.
Learn how to attract birds and squirrels with the right feeders, foods, and habitat tips. Covers 10 bird species and 2 squirrel species for North American yards.
Learn how to get Bird Game 3 — the Ruffed Grouse. Full guide to identifying, finding, and observing North America's ultimate upland game bird in the wild.
Wondering what bird made a nest you found? Use our expert nest identification guide covering shape, materials, location, and the most common nest builders.
Discovered a robin nest and eggs in your garden? Learn how to identify the nest, understand robin nesting behaviour, and how to help the birds thrive.
Discover what house finches are hearing — from song dialects and alarm calls to feeder chatter. Plus ID tips, habitat, diet, and conservation facts.
Will birds nest in your yard? Discover which species nest near homes, when nesting season peaks, and how to attract nesting birds with boxes and habitat.
Blue jays vs blue jays decoded: identify the bird, compare look-alike species, explore the Toronto Blue Jays connection, and find the best gear for backyard birding.
Discover willow warbler habitat preferences, from birch scrub to riparian edges. Includes ID tips, migration routes, conservation status, and where to find them.
Wondering what a tanager bird looks like? Discover the colors, markings, and field marks of all 4 North American tanagers with our expert identification guide.
Yes, mourning doves commonly nest in snowy conditions. Learn how they incubate eggs through late-season snowstorms, choose nest sites, and raise multiple broods.
Learn how to draw bird drawing step by step using the American Robin as your guide. Covers proportions, plumage, field marks, and artist observation tips.
Wondering why does this robin look like that? Discover why robins look so different — juveniles, females, molting adults, leucistic birds, and more explained.
Discover the best beginner books for birdwatching. We compare top field guides and how-to books so you can find the perfect match for your skill level and region.
Winter Wren vs Pacific Wren: discover the key differences in song, plumage, range, and habitat to confidently identify these near-identical species in the field.
Learn how to attract birds to feeders with expert tips on seed types, feeder styles, placement, and which species to expect in your backyard.
Learn how to identify a mockingbird by size, plumage, song, and behavior. Expert tips on field marks, habitat, look-alikes, and how to attract them to your yard.
Can you help me identify this hummingbird? Use our expert guide covering 10 North American species, field marks, range maps, and behavior tips.
Learn how to identify birds by their songs and calls. Covers listening techniques, mnemonics, the best apps, and the 10 easiest songs to learn first.
Struggling to tell sparrows apart? This guide breaks down the key field marks for house sparrows, song sparrows, white-throated, white-crowned, and more.