My son Dara (5) found this starfish on the beach. – Cliona Kelly, Donabate, Co Dublin
It's a brittle star, in the starfish family.
I found this object on a beach at Tramore, It was about 15cm long and 6cm wide. – Paul Halley, Tramore, Co Waterford
It's the bone of a cuttlefish.
During our walk at Tintern Abbey we spotted this black growth on the bark of a tree. – Rowena McGrath, Ramsgrange, Co Wexford
It's a fungus called witch's butter, which grows on broadleaved trees, especially oak.
My granddaughter, Aebhin Ryan, found this skull bone on Banna strand. Any chance of identifying it? – Padraic Coughlan, Ballyard, Tralee, Co Kerry
It looks like (and is the right size for) a badger skull.
My husband spotted this white-headed cormorant fishing in the Dodder. We've only seen fully black cormorants before. Is it a variation or to do with the breeding season? – Donna Marie O'Donovan, Rathfarnham, Co Dublin
This is the cormorant in spring plumage. It loses the white colour at other times of the year.
Could you help me identify these sea worms? We found them attached to a log washed up on the shore after stormy weather. I've never seen anything like them before. – Suzanne Nicholls, Tramore, Co Waterford
The creatures in your photo are goose barnacles, which float in the ocean as larvae and attach to whatever flotsam they encounter.
This hen pheasant visited my garden to feed on seeds dropping from the bird feeders. – Peadar Mac Rory, Letterkenny, Co Donegal
[ viney@anu.ie ]