Table. Sea lion deaths potentially associated with highly pathogenic avian influenza virus A(H5N1) in protected areas of Peru, January–April 2023* .
| Date | Natural protected area | Island or guano island, if known | Clinical signs (no. animals) | Total deaths |
|---|---|---|---|---|
| January | RNPARACAS | Eyes closed and watering, nosebleeds and difficulty breathing (3); dyspnea, tremors (17)† | 295 | |
| RNSF | Carcasses floating in the sea (5) | 25 | ||
| RNSIIPG | Chincha Sur | Found dead | 46 | |
| Punta San Juan | Convulsions (2)† | 20 | ||
| Isla Cavinzas | Found dead | 16 | ||
| Isla Asia | Carcasses floating in the sea (100) | 240 | ||
| Isla Pachacamac | Found dead | 7 | ||
| Isla Pescadores | Found dead | 2 | ||
| Punta Lomitas | Foaming at the mouth, convulsions, paralysis of the forelimbs (1) | 25 | ||
| ZRANCON | Found dead | 9 | ||
|
|
RNILLESCAS |
|
Found dead |
38 |
| February | SNLM | Found dead | 8 | |
| RNPARACAS | Dyspnea, tremors (9)† | 2,371 | ||
| RNSF | Found dead | 691 | ||
| RNSIIPG | Chincha Norte | Found dead | 16 | |
| Chincha Sur | Found dead | 10 | ||
| Punta San Juan | Found dead | 325 | ||
| Punta Atico | Found dead | 41 | ||
| Punta Coles | Found dead | 104 | ||
| Isla Cavinzas | Found dead | 3 | ||
| Isla Asia | Found dead | 18 | ||
| Punta Lomas | Found dead | 2 | ||
|
|
|
Isla Palomino |
Found dead |
1 |
| March | SNLM | Found dead | 3 | |
| RNPARACAS | Found dead | 439 | ||
| RNSF | Found dead | 82 | ||
| RNSIIPG | Chincha Norte | Found dead | 2 | |
| Chincha Sur | Found dead | 8 | ||
| Punta San Juan | Found dead | 6 | ||
| Punta Atico | Found dead | 50 | ||
| Punta Coles | Found dead | 108 | ||
| Isla Cavinzas | Found dead | 1 | ||
| Isla Pachacamac | Found dead | 1 | ||
| Isla Pescadores | Found dead | 2 | ||
| Punta Lomas | Found dead | 4 | ||
|
|
ZRANCON |
|
Found dead |
4 |
| April | SNLM | Found dead | 3 | |
| RNSIIPG | Isla Palomino | Found dead | 2 | |
| Chincha Norte | Found dead | 7 | ||
| Punta San Juan | Found dead | 89 | ||
| RNPARACAS | Found dead | 91 | ||
| RNSF | Found dead | 4 | ||
| RNILLESCAS | Found dead | 5 | ||
| Total | 5,224 |
*Data for South American sea lions (Otaria flavescens). RNILLESCAS, Reserva Nacional Illescas; RNPARACAS, Reserva Nacional Paracas; RNSF, Reserva Nacional San Fernando; RNSIIPG, Reserva Nacional Sistema de Islas, Islotes y Puntas Guaneras; SNLM, Santuario Nacional Lagunas de Mejía; ZRANCÓN, Zona Reservada Ancón. †These animals died shortly after discovery.