"movement patterns"

#13181334

11 January 2026

Dharahara is partially obscured by winter haze as cold air blankets Kathmandu Valley, creating stagnant conditions that trap pollution close to the ground and worsen air quality across the city in Kathmandu, Nepal, on January 11, 2026. Falling temperatures and limited wind movement intensify smog in several areas, increasing particulate matter levels and reducing visibility around the historic landmark.

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#13059893

5 December 2025

A large number of Baikal Teals fly towards the rising sun in the Huaihe section of Hongze Lake Wetland in Sihong, Jiangsu, China, on December 5, 2025.

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#13059895

5 December 2025

A large number of Baikal Teals fly towards the rising sun in the Huaihe section of Hongze Lake Wetland in Sihong, Jiangsu, China, on December 5, 2025.

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#13059898

5 December 2025

A large number of Baikal Teals fly towards the rising sun in the Huaihe section of Hongze Lake Wetland in Sihong, Jiangsu, China, on December 5, 2025.

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#13059899

5 December 2025

A large number of Baikal Teals fly towards the rising sun in the Huaihe section of Hongze Lake Wetland in Sihong, Jiangsu, China, on December 5, 2025.

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#13059901

5 December 2025

A large number of Baikal Teals fly towards the rising sun in the Huaihe section of Hongze Lake Wetland in Sihong, Jiangsu, China, on December 5, 2025.

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#13052218

3 December 2025

A group of Baikal Teal drifts during a massive migration in Hongze Lake Wetland in Suqian, Jiangsu, China, on December 3, 2025.

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#13052219

3 December 2025

A group of Baikal Teal drifts during a massive migration in Hongze Lake Wetland in Suqian, Jiangsu, China, on December 3, 2025.

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#13052220

3 December 2025

A group of Baikal Teal drifts during a massive migration in Hongze Lake Wetland in Suqian, Jiangsu, China, on December 3, 2025.

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#13052221

3 December 2025

A group of Baikal Teal drifts during a massive migration in Hongze Lake Wetland in Suqian, Jiangsu, China, on December 3, 2025.

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#13052217

3 December 2025

A group of Baikal Teal drifts during a massive migration in Hongze Lake Wetland in Suqian, Jiangsu, China, on December 3, 2025.

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#13049028

2 December 2025

Snow geese fly above the wetlands at Bosque del Apache National Wildlife Refuge near San Antonio, New Mexico. The birds migrate here each winter from their northern breeding grounds in northern Canada and Siberia.

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#12946022

4 November 2025

Black-headed Gulls migrate from the frozen lakes and wetlands of southern Russia, Mongolia, and the Tibetan Plateau. They descend through mountain corridors into Nepal and temporarily settle along the Bagmati River in Kathmandu, Nepal, on November 3, 2025.

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#12946023

4 November 2025

Black-headed Gulls migrate from the frozen lakes and wetlands of southern Russia, Mongolia, and the Tibetan Plateau. They descend through mountain corridors into Nepal and temporarily settle along the Bagmati River in Kathmandu, Nepal, on November 3, 2025.

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#12946024

4 November 2025

Black-headed Gulls migrate from the frozen lakes and wetlands of southern Russia, Mongolia, and the Tibetan Plateau. They descend through mountain corridors into Nepal and temporarily settle along the Bagmati River in Kathmandu, Nepal, on November 3, 2025.

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#12946025

4 November 2025

Black-headed Gulls migrate from the frozen lakes and wetlands of southern Russia, Mongolia, and the Tibetan Plateau. They descend through mountain corridors into Nepal and temporarily settle along the Bagmati River in Kathmandu, Nepal, on November 3, 2025.

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