context: The fauna of the Archipelago National Park is well known for its regular surveys and surveys. 25 species of mammals have been encountered, the most common of which are, among others, woodpecker, woodpecker, wood hare, wood vole, field mole, fox, raccoon dog, mink and deer. Gray seals have become more abundant in recent years, while bream have declined. The fish stock is abundant and the most common species are herring, perch, pike, roach, bream, sole, flounder and bream. Birds are also abundant and at least 132 species of birds have been nesting in the National Park, including the most abundant and most prominent species of mute swan, cormorant, mallard, common eagle, eider, mite, tentacle, big osprey, sea bream, lapwing, risk, wagtail, scab, meadow, pocket, tongue, shrub, pea and crow. Minor but regular breeding species also include black-throated diver, guinea-fowl, white-fronted goose, duck, gray-headed eagle, black-throated eagle, walleye, common whitetail, whitetail, whitetail, whitetail. Rare or irregular breeding species include, but are not limited to, the southern grayling, marsh cockroach, small tern, southern cattail, horned owl and marsh owl. [17]
question: How many mammal species have been found in the Archipelago Sea?
answers.text: 25