|
Male |
Female |
Appearance |
Smaller than female, paler brown upperparts, paler whiter chest. |
Larger, darker brown upperparts, distinctly marked chest band. |
Wingspan |
147-166cm |
155-180cm |
Length |
56-60cm |
57-62 cm |
Weight |
1400g |
1600g |
Diet |
 |
fish eating
caught in fresh or salt water
plunge into water from a height
enter water feet first with wings swept back
grasp fish with sharp talons
beat wings strongly to lift out of water
UK fish range from sea trout + brown trout, to mullet, roach + flounder
plus others too! |
Nest |
1+ metres in diameter
made of sticks, moss, grass, bark
in locations with views: tree tops, platforms, power poles + pylons |
Habitat |
situate close to water - esturary, lake, river, coast |
Life Cycle |
Adults first breed aged 3-5 years
Return UK to breed late March - April
Female lays 2-3 eggs (rarely 4)
Hatch 35-42 days
Fledge 50-58 days
Migrate late August, early September
Summer visitor to UK / Europe
Migrating to west coast of Africa (a few to Spain + Portugal) |
Reptilian Stage
Osprey chicks pass through this when their feathers are in pen quills
 |
Incidence |
worldwide except Antarctica (though do not breed in South Amercia + most of Africa) |
Prevalance |
Estimated worldwide population = 25,000-30,000
Became extinct from UK in 1916, though not thought to have bred in England / Wales since 1840
Scotland now has 300+ breeding pairs, England 20+ pairs, Wales just 4 pairs to-date |
Nickname |
"Fish Eagle", "Sea Hawk", "River Hawk", "Fish Hawk" |