City, county biologists report mixed 2025 breeding results for golden-cheeked warblers and black-capped vireos BCP biologists reported higher counts of territories but mixed nest success in 2025: 141 banded male golden-cheeked warblers in 2024 with a 47% return rate in 2025 and a preliminary 56% nest success; black-capped vireo returns improved but nest success for vireos dropped to a preliminary 32% in monitored areas.

BCP biologists reveal promising return rates for golden-cheeked warblers in 2025, yet face challenges with mixed nest success due to predators and food scarcity.

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