What the Dates Mean:

• Main Arrival – when the species becomes regularly observed
• Peak (Best Time) – when it is most frequently reported
• Main Departure – when numbers begin to decline

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Year-round Species:

Even birds that are present all year still show seasonal patterns. These dates reflect when they are most noticeable or abundant, not when they first appear.

• Many resident birds are quieter or harder to detect in winter
• Activity increases significantly during breeding season

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Species Types:

• 🏠 Year-round – present throughout the year
• 🐣 Breeding – nests locally but may leave in winter
• 🌸 Migrant – passes through and does not breed locally

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Filters:

• Main Arrival Near – species arriving within ~7 days
• Peak Near – species at peak timing right now
• Departure Near – species about to leave or just left

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Colors:

• 🟢 Green – within 7 days in the future
• 🟠 Amber – within 7 days in the past

These highlights help you quickly see what birds are arriving, peaking, or departing right now.