See also. 1  Bruise, which is a hematoma caused by trauma. 2  Petechia, which is a small type of hematoma (<3mm) 3  Ecchymosis, which is a large type of hematoma (>1 cm)  Purpura secondary to clotting 1  disorders. Purpura haemorrhagica in horses.  Pigmented purpuric 1  dermatosis. Schamberg disease (progressive pigmentary purpura)  UCSF Purpura Module (PDF).
The female incubates three to four glossy, light blue eggs for 12 to 14 days. The young leave the nest after 14 to 16 days and continue to be cared for by the parents for up to four weeks. Robins have two and sometimes three clutches of eggs each year.Nests may be used for multiple clutches; first-clutch nests may be built on top of nests from the previous year.he female incubates three to four glossy, light blue eggs for 12 to 14 days. The young leave the nest after 14 to 16 days and continue to be cared for by the parents for up to four weeks. Robins have two and sometimes three clutches of eggs each year.
The nest can be located on the ground or high up in trees. They are most commonly found 5 to 15 feet above ground. Robin's nests might be in a dense bush, in the crotch of trees, or on window ledges or other human structures. All of these provide a firm support and protection from rain. In northern areas the first clutch is generally placed in an evergreen tree or shrub.