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Roger J. Lederer, PhD
Ornithologist
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Q&A Comments (33)
Co-authored Articles (57)
How to Tell the Age of a Parakeet (Budgie): A Step-by-Step Guide
Determine how old your budgie is with these methodsBudgies, or common parakeets, don’t show obvious signs of aging the way mammals do, so it can sometimes be tricky to figure out exactly how old your bird is. Luckily, ...
Feeding Wild Crows: What They Can & Cannot Eat
Ornithologist Roger J. Lederer, PhD, lists his top foods to feed the crows in your neighborhoodIf you want to befriend the crows in your neighborhood, giving them nutritious food similar to what they eat in the wild is k...
Does My Bird Have Mites? Common Signs, & What to Do
Learn to spot mites on parrots, parakeets, cockatiels, and other birds Certain bird species, like parakeets, parrots, and finches, are more likely to contract mites. Bird mites feed on your bird's blood, can live and thr...
How to Tell the Difference Between Male and Female Robins
Identify male & female American, Australian, & European robins The robin is a beautiful migratory songbird that many believe brings tidings of the spring season. Robins are quite common throughout Europe and North Americ...
How to
Attract Crows
Crows are very bright creatures, one of the most intelligent animal species, and a group of crows, called a "flock" or a "murder," can be a useful addition to your yard. A small flock can keep plants free of insects and ...
How to Tell If a Parrot is Male or Female
The most accurate ways to check your parrot’s gender Telling the sex of parrots can be difficult, as some species have no visible differences between males and females (monomorphic). For these breeds, the only way to d...
3 Ways to Tell If a Duckling Is Male or Female
Learn to identify a duckling's gender at various stages of development It can be difficult to tell the sex of a baby duck visually, as both male and female ducklings tend to look similar. Luckily, there are several easy ...
How to Befriend a Wild Crow (& How Long Does It Take?)
Ornithologist Roger J. Lederer, PhD, shares his tips for attracting crows to your yardReady to join the hordes of people on CrowTok, the area of TikTok where creators post videos of themselves feeding their neighborhood'...
35 Bird Species with Hilarious Names (Plus, What to Name Yours)
Get hilarious name ideas for your pet birdIf you’ve ever seen a nature documentary, you probably know there are some pretty strange birds out there, and some of them have hilarious names to match, like bustard or dickc...
455+ Funny Duck Names to Quack Everyone Up
Plus, tips for picking the perfect name for your feathered friend Looking for a hilarious name for your new feathered friend? We’ve got you covered! In this article, we’re providing the ultimate list of funny duck na...
How to Tell the Sex of a Lovebird
Learn the difference between male and female lovebird sexes Whether you want to find the perfect name for your lovebird, or are trying to breed them (or keep them from breeding), you’re probably interested in finding ...
How to
Care For a Bird That Has Hit a Window
According to the Bird Conservation Network more than 100 million North American birds die every year from window collisions. These accidents are most common during spring mating season. It is illegal to keep a wild bird ...
How to
Fix Double Vision in Binoculars
If you look through your binoculars and see 2 copies of the same image, then this is probably a problem with your collimation. Collimation is the position of the prisms within the binoculars, and if they’re not centere...
How to
Spot Signs of Disease in Conures
You think your conure might be sick, but you’re not sure what to look for. Generally speaking, you can check for changes in their appearance, odd behavior, or digestive problems. These symptoms could indicate a number ...
How to Identify a Male or Female Duck using Appearance and Behavior
Sorting the drakes from the hens in Mallard and other duck species Whether you’re spying them through binoculars or pairing them up to brood, sorting the males ducks (or “drakes”) from the females (often called “...
How to
Feed Pigeons
Pigeons, also known as rock doves, are found on every continent in the world except Antarctica. No matter where you live, you can get a chance to feed them by visiting cities and other urban areas. They are smart, gentle...
How to Buy Binoculars for Your Favorite Outdoor Hobby
Pick the best size, magnification, and features for your price range Binoculars are fantastic tools that make activities like bird-watching, star-gazing, concerts, and sports more enjoyable. However, not all binoculars a...
How to
Feed a Baby Sparrow
If you find a baby sparrow that appears abandoned, you can take it into your home and feed it. Many wildlife refuges and concerned people care for injured and orphaned sparrows until they are old enough to fly. Before at...
How to
Care for a Bird
A complete guide to housing, feeding, & socialising your bird Birds are extremely social by nature, and thrive on company, nurturing, and frequent interaction. Many species of birds make fun, engaging pets. If you're con...
How to Hand-Feed Baby Birds (And What to Feed Them)
Learn to help baby birds that fell out of their nest or hatched at homeMany baby birds aren’t able to feed themselves without their parents. Whether you found a chick outside its nest or are raising pet baby birds, fee...
