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Sourov Biswas

I still remember the day that sparked my love for birds. I was just a kid, sitting in my backyard, when a tiny bird landed near me. It moved so fast, its feathers flashing in the sunlight, and then it sang—soft, clear, and almost magical. In that moment, birds became more than just creatures in the sky. They became a mystery I wanted to solve. That curiosity never faded. It led me to study Biology at the University of Scranton, where I dove deep into the science of birds—their behavior, their calls, and the incredible ways they survive. Today, that same passion drives me, and through Earth of Birds, I get to share it with you.

Chimney Swift vs Vaux’s Swift​ : 10 Vital Facts I Love

June 4, 2025 by Sourov Biswas
Chimney Swift vs Vaux's Swift

Chimney Swift vs Vaux’s Swift—at first glance, they look almost the same. But look a little closer, and you’ll spot key differences. From where they live to how they sound, each has its charm. I’ve watched both swirl through the sky, and it’s easy to get hooked. In this guide, I’ll break it all down … Read more

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Common Swift vs Chimney Swift : 10 Main Differences

June 4, 2025 by Sourov Biswas
Common Swift vs Chimney Swift

Common Swift vs Chimney Swift is a fun comparison for any bird lover. I’ve spent time watching both and noticed clear differences. Their looks, sounds, and homes may seem alike, but each bird has its own charm. This simple guide will help you see how they compare in ways that are easy to spot and … Read more

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Chimney Swift vs Swallow : 8 Curious Things I Learned

June 3, 2025 by Sourov Biswas
Chimney Swift vs Swallow

Chimney Swift vs Swallow—it’s easy to mix them up! Both dart through the sky with speed and grace. But look closer, and the differences are clear. From their nests to how they fly, these birds tell their own stories. In this guide, we’ll break it down simply. You’ll spot who’s who in no time, whether … Read more

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Barn Swallow vs Chimney Swift: 6 Vital Facts I Love

June 3, 2025 by Sourov Biswas
Barn Swallow vs Chimney Swift

Barn Swallow vs Chimney Swift—what’s the difference? At first glance, they both zoom through the sky catching bugs. But if you look closer, they’re not the same. One glides with a forked tail, the other darts with curved wings. I’ve watched them both and learned a lot. Let’s explore what sets these fast flyers apart … Read more

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Cave Swallow vs Barn Swallow: 5 Key Differences to Know

June 2, 2025 by Sourov Biswas
Cave Swallow vs Barn Swallow

Cave Swallow vs Barn Swallow is a fun topic for bird lovers. These two birds look alike but have key differences. They live in different places and act in their own ways. Learning how they differ is easy and fun. This guide will help you spot them in the wild. Let’s explore what makes each … Read more

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Barn Swallow vs Hawk: 10 Amazing Facts You Should Know

June 1, 2025 by Sourov Biswas
Barn Swallow vs Hawk

Barn Swallow vs Hawk—two birds, two very different lives. One dances through the sky with grace, the other rules with power. I’ve watched both in the wild and noticed just how unique they are. This guide breaks down their looks, habits, and more. If you’re curious about what sets them apart, you’re in the right … Read more

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Red Rumped Swallow vs Barn Swallow: 8 Shocking Facts

June 1, 2025 by Sourov Biswas
Red Rumped Swallow vs Barn Swallow

Red Rumped Swallow vs. Barn Swallow: Despite their initial similar appearance, these two species differ greatly. I’ve spent hours watching both in the wild. Each has its own charm, from how they fly to where they build nests. If you’ve ever wondered how they compare, this guide will help. Let’s explore what sets them apart … Read more

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Pacific Swallow vs Barn Swallow: 6 Key Differences

June 1, 2025 by Sourov Biswas
Pacific Swallow vs Barn Swallow

Pacific Swallow vs Barn Swallow—these two birds may look alike at first, but they have many small yet special differences. I’ve watched both in the wild, and each has its charm. From their flight to their calls, these swallows show unique traits. In this guide, I’ll share what I’ve learned while observing them up close, … Read more

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Welcome Swallow vs Barn Swallow: 6 Things You Must Know

May 31, 2025 by Sourov Biswas
Welcome Swallow vs Barn Swallow

Welcome Swallow vs Barn Swallow — they look alike at first glance, but they live very different lives. I’ve spent time watching both, and each bird has its own charm. From how they build nests to where they fly, their stories are full of wonder. In this guide, we’ll explore their traits side by side, … Read more

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Red-eyed Vireo Vs Gray Catbird: 7 Epic Things You Must Know

May 31, 2025 by Sourov Biswas
Red-eyed Vireo Vs Gray Catbird

Red-eyed Vireo vs Gray Catbird—two birds that may look plain at first, but trust me, they’re full of surprises. I’ve watched both in my backyard and on quiet forest walks. One sings like a poet; the other chats like a mimic. If you’re curious about how they differ in sound, size, and style, this comparison … Read more

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