Science ❯ Ecology

Population Studies

Species Monitoring Camera Trapping Bird Populations Species Decline Research Findings Wildlife Monitoring Species Distribution Demography Species Observation Wildlife Health Biodiversity Assessment Census Methodology Survey Methods Citizen Science Species Assessment Species Classification Animal Behavior Wildlife Population Monitoring Bird Surveys Species Resilience Field Research Conservation Biology Species Recovery Marine Mammals Bird Mortality Species Estimation

Great Backyard Bird Count Kicks Off Worldwide Feb. 13–16

The four-day citizen-science effort gathers a global snapshot of bird populations ahead of spring migration.

Record January Right Whale Count in Cape Cod Bay Prompts Voluntary Slow Zone

Christmas Bird Count Enters 2025 Peak With Record Participation in Sight

Orphaned Mountain Lion Cubs Released in San Diego County After Months of Rehab