Hi, I'm Andrew and I’m just a simple 19 year old guy and zoology student that posts random factoids about obscure animals and general animal science/zoology/biology stuff so if you like animals this is the place for you, if you only like cute animals this is not the place for you… Also I can ID any animals you might need identified (just submit them to me).

Disclamer: none of the pictures are mine unless stated

Family Polioptilidae: A family of passerine birds commonly known as "Gnatcatchers". All gnatcatchers are native to the New World, being found in both North and South America. Gnatcatchers are close relatives of the wrens and some species are known as "Gnatwrens".

Image: Erikwlyon

 

Hula Skirt Siphonophore (Physophora hydrostatica)

…a species of deep sea siphonophore that is widespread in the Atlantic, Pacific and Indian Oceans. Like all siphonophores P.hydrostatica is not a single animal but a colony of hundreds of small animals, known as zooids, that are working together to function. The top portion of the colony holds the swimming bells which allow the colony to move. It also contains float bells which allow the colony float by changing the amount of gas in these bells, the float bell has a pore at the bottom that emits gas and can be refilled with secretions from a gland.

The bottom of the colony holds the orange ‘hula skirt’ which is full of stinging tentacles which are used to dispatch prey via a painful sting. The colony also has a long thread at the base which holds all the individuals that do specialized tasks.

Phylogeny

Animalia-Cnidaria-Hydrozoa-Siphonophorae-Physonectae-Physophoridae-Physophora-hydrostatica

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