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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.

House Finch vs House Wren : 9 Main Differences

July 24, 2025 by Sourov Biswas
House Finch vs House Wren

House Finch vs House Wren — two tiny birds, each full of charm. I’ve watched both in my yard for years. They may look alike at first, but they’re quite different. From size to song, each has its own style. In this guide, I’ll share what sets them apart, based on real sightings and simple … Read more

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House Finch vs Wren​ : 9 Main Differences

July 21, 2025 by Sourov Biswas
House Finch vs Wren

House Finch vs Wren—two tiny birds that often visit backyards but act so differently. One sings sweet songs from a feeder. The other zips around with wild energy. I’ve watched both from my porch and noticed some fun differences. From size to sound to attitude, these birds are nothing alike. If you’ve ever mixed them … Read more

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Rosy Finch vs House Finch​ : 9 Main Differences

July 21, 2025 by Sourov Biswas
Rosy Finch vs House Finch

Rosy Finch vs House Finch—these two might look alike at first, but they’re quite different once you get to know them. I’ve seen both during winter hikes and backyard birdwatching, and each has its own charm. One prefers cold, rugged places. The other feels right at home in city gardens. Let’s explore how to tell … Read more

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Redpoll vs House Finch​ : 9 Main Differences

July 21, 2025 by Sourov Biswas
Redpoll vs House Finch

Redpoll vs House Finch—two charming backyard birds that often visit feeders in winter. At first glance, they may seem alike, but they have unique traits. From size and color to behavior and range, each brings something special. If you’ve ever wondered how to tell them apart, this simple guide will help you spot the difference … Read more

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Pine Grosbeak vs House Finch​ : 9 Main Differences

July 21, 2025 by Sourov Biswas
Pine Grosbeak vs House Finch

Pine Grosbeak vs House Finch—these two birds may look alike at first, but they’re quite different. I’ve watched both in my backyard, and trust me, the contrast is real. From size to sound, each has its charm. If you’re curious about how to tell them apart, you’re in the right place. Let’s break it down … Read more

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House Finch vs Goldfinch: 9 Main Differences

July 20, 2025 by Sourov Biswas
House Finch vs Goldfinch

House Finch vs Goldfinch—these two birds may look alike at a glance, but they are quite different. I’ve watched them both for years in my backyard. From their colors to their songs, each has its own charm. If you’re curious about how they compare, this quick guide will help you spot the difference with ease. … Read more

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House Finch vs Song Sparrow: 9 Main Differences

July 20, 2025 by Sourov Biswas
House Finch vs Song Sparrow

House Finch vs Song Sparrow—these two backyard birds may look alike at first, but they’re surprisingly different. I’ve spent years watching both, and each has its own charm. From songs to size, every little detail sets them apart. If you’ve ever wondered how to tell them apart, this quick guide will help you enjoy birdwatching … Read more

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Purple Finch vs Pine Grosbeak: 9 Main Differences

July 20, 2025 by Sourov Biswas
Purple Finch vs Pine Grosbeak

Purple Finch vs Pine Grosbeak—two colorful birds that often confuse even seasoned birders. At first glance, they seem alike. But look closer, and you’ll spot big differences in sound, size, and range. I’ve spent hours watching both, and it’s always a joy. This guide will help you tell them apart with ease, even if you’re … Read more

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Pine Siskin vs Purple Finch​ : 9 Main Differences

July 20, 2025 by Sourov Biswas
Pine Siskin vs Purple Finch

Pine Siskin vs Purple Finch – these two finches may share forests and feeders, but they feel worlds apart. The Pine Siskin is small, streaky, and full of restless energy. The Purple Finch is calm, colorful, and gentle. I’ve watched both in backyards and woods, and each brings its own charm. Let’s see how they … Read more

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Rose Finch vs Purple Finch: 9 Main Differences

July 20, 2025 by Sourov Biswas
Rose Finch vs Purple Finch

Rose Finch vs Purple Finch is a question many bird lovers ask, especially when both flash their red feathers in the sun. At first glance, they may look alike, but spend time with them, and the differences shine through. In this guide, I’ll share what sets them apart, using simple facts and real experiences anyone … Read more

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