Science ❯ Ecology

Population Studies

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

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