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AB 454

Migratory birds: California Migratory Bird Protection Act.

2025-2026 Regular Session Introduced by Ben Allen and 1 co-sponsor

California establishes independent state-level migratory bird protections through new law, creating additional regulatory requirements beyond federal oversight for habitat and species management.

Chaptered by Secretary of State - Chapter 365, Statutes of 2025.
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Bill Summary · AB 454

Legislative bill overview

AB 454 establishes the California Migratory Bird Protection Act, creating new state-level protections and regulations for migratory birds beyond existing federal frameworks. The bill was approved by the Governor on October 6, 2025, and is now law (Chapter 365, Statutes of 2025).

Why is this important

Migratory birds face threats from habitat loss, climate change, and human activities like building collisions and pesticide exposure. This legislation provides California with independent enforcement mechanisms and potentially stronger protections than federal law alone, affecting land use policies, environmental reviews, and agricultural practices across the state.

Potential points of contention

  • Economic impacts on agriculture and development: New bird protections may impose compliance costs on farmers, construction projects, and other industries through habitat requirements or activity restrictions
  • Overlap with federal authority: The bill creates state-level protections alongside existing Migratory Bird Treaty Act protections, potentially creating dual regulatory frameworks that some argue are redundant or conflicting
  • Implementation and enforcement costs: Establishing state enforcement mechanisms requires funding and resources that may strain budget allocations during economic uncertainty

Compiled from official sources — confirm details with the bill’s official record.

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