If you find a bird egg on the ground, the best thing to do in most cases is leave it alone. The egg likely belongs to a nest nearby, and the parent bird may still be tending to it. Even if the egg appears abandoned, picking it up creates both legal and practical problems that make it very difficult to help.
Why You Should Leave the Egg Where It Is
Your first instinct might be to rescue the egg, but the most helpful action is usually no action at all. Many birds lay eggs in spots that seem exposed or vulnerable to humans but are perfectly normal nesting sites. Killdeer, for example, lay eggs directly on gravel. Some ducks nest in garden beds or parking lot islands. What looks like a lost egg may be exactly where it’s supposed to be.
If the egg is near a visible nest, it may have been pushed out by a sibling, a brood parasite like a cowbird, or even the parent bird itself (some species eject eggs that aren’t developing properly). In these cases, the egg has already been rejected and won’t survive even if returned.
One thing you don’t need to worry about: the myth that touching an egg will cause the parent to abandon it. Birds invest enormous amounts of time and energy into raising their young and will not reject an egg because it smells like a human. Most birds do have a good sense of smell, but parental instinct overrides any scent concerns.
Check Whether the Egg Is Truly Abandoned
Before deciding the egg needs help, observe from a distance for at least an hour or two. Parent birds leave the nest regularly to eat, and some species only incubate for part of the day. A cold egg sitting alone doesn’t necessarily mean it’s been abandoned. If you can see a nest nearby and the egg is intact, you can gently place it back. Use a spoon or wear gloves if you prefer, though again, your scent won’t cause rejection.
Signs the egg is genuinely abandoned or nonviable include:
- Cracks or dents in the shell that expose the membrane or contents
- A strong odor, which indicates the embryo has died and begun decomposing
- No nest visible anywhere nearby, and no adult birds in the area after extended observation
- The egg feels very light or rattles when gently tilted, suggesting it’s dried out inside
It’s Illegal to Keep Wild Bird Eggs
In the United States, the Migratory Bird Treaty Act makes it illegal to take, possess, or transport eggs from any protected migratory bird species without a federal permit. This covers the vast majority of wild birds you’d encounter, from songbirds to raptors to shorebirds. A separate law, the Bald and Golden Eagle Protection Act, specifically prohibits possessing eagle eggs, nests, or even feathers without authorization from the Secretary of the Interior.
These laws apply even if your intentions are good. You cannot legally collect a wild bird egg, incubate it at home, or keep the shell as a souvenir. The only exception is a “Good Samaritan” provision that allows you to temporarily possess a migratory bird (or egg) for the sole purpose of immediately transporting it to a licensed wildlife rehabilitator.
When to Contact a Wildlife Rehabilitator
If you’re confident the egg is abandoned and still viable, your next step is contacting a licensed wildlife rehabilitator. These are trained, federally permitted professionals who have the equipment, expertise, and legal authority to care for wild bird eggs and nestlings. You can search for one in your area through your state’s fish and wildlife agency website or by calling a local animal control office.
Keep in mind that not all rehabilitators accept eggs. Eggs require species-specific incubation conditions and round-the-clock attention, and many facilities prioritize injured adult birds or hatched chicks that have a better chance of survival. When you call, describe the egg’s size, color, pattern, and where you found it. The rehabilitator can help you determine whether the egg is worth bringing in or whether it’s best left in place.
If the egg was found because a nest on your property needs to be removed (during construction or tree trimming, for example), federal rules require you to work with a permitted rehabilitator to relocate any eggs or nestlings before disturbing the nest.
Why Hatching It Yourself Rarely Works
Even with a home incubator, the odds of successfully hatching a wild bird egg are poor. Avian incubation depends on precise temperature, humidity, and egg-turning schedules that vary by species. Parent birds maintain conditions inside the nest cup that are difficult to replicate artificially, including humidity levels typically higher than the surrounding air.
Research on captive breeding programs illustrates how critical natural incubation is. Whooping crane eggs that received only one day of incubation from an adult bird before being moved to an artificial incubator had a hatchability rate of just 40%. Eggs that received 30 days of natural incubation first reached 95% hatchability. Peregrine falcon eggs showed a 20% boost in hatching success when they spent even five days under an adult bird during early development. The parent bird provides something an incubator struggles to match: constant micro-adjustments in temperature, positioning, and moisture.
Even if the egg does hatch, you’d face the challenge of raising a wild bird that needs species-appropriate feeding (often every 15 to 30 minutes for songbird chicks), socialization with its own kind to develop normal behaviors, and eventual release training. Without professional expertise, hand-raised birds frequently become imprinted on humans and can’t survive in the wild. This is another reason the law channels these situations toward licensed rehabilitators rather than well-meaning individuals.
Eggs From Domestic or Non-Protected Birds
The rules above apply to wild, native bird species. If you find an egg from a domestic chicken, duck, or other farm bird, none of these legal restrictions apply. Similarly, eggs from non-native species like house sparrows, European starlings, and pigeons (rock doves) are not protected under the Migratory Bird Treaty Act in the U.S., so you have more flexibility in how you handle them.
That said, the practical challenges of incubation still apply. If you’re not sure what species laid the egg, treat it as protected and leave it alone or contact a rehabilitator for guidance. Egg identification can be tricky, and making the wrong call could mean an accidental legal violation on top of a failed rescue attempt.