Bird flu has affected almost all continents in recent years

Notable mass mortality events between 2021 and 2024, approximate numbers

Conservation status

Least concern

Near threatened

Vulnerable

Endangered

11

10

1

9

8

2

3

5

4

7

6

1. Caspian tern, 1,500 deaths in 2022

2. Peruvian pelican, 35,500, 2022-23

3. Guanay cormorant, 114,900, 2022-23

4. Peruvian booby, 128,700, 2022-23

5. South American sea lion, 20,000, 2023

6. Southern elephant seal, 17,000, 2023

7. Cape cormorant, 20,000, 2021

8. Hooded crane, 1,000, 2022

9. Common crane, 5,000, 2021

10. Dalmation pelican, 2,200, 2022

11. Svalbard barnacle goose, 13,000, 2021

 

 

 

Conservation status

Least concern

Near threatened

Endangered

Vulnerable

Svalbard

barnacle goose

13,000 deaths

in 2021

Caspian tern

1,500

2022

Dalmation pelican

2,200

2022

Hooded

crane

1,000

2022

Common crane

5,000

2021

Peruvian pelican

35,500

2022-23

South American

sea lion

20,000

2023

 

Guanay cormorant

114,900

2022-23

Southern

elephant seal

17,000

2023

Cape cormorant

20,000

2021

Peruvian booby

128,700

2022-23