Frelon (hornet)
Fourmi (ant)
Faucon (hawk)
Femur
unbraix
there are no animals that start with x in french i know because i take french in high school
Wapiti and Wallaby start with a w in French.
letters begins withf and y and if ends with letter m
Not sure if this is exactly what you are looking for, but a papillon is a breed of dog.
Xérus, xipho/xiphophore, xylocope.
serpain ours noir scdhxcbbcxcxxcncdxcnn n cxn cn xcnxsd njnjxsnjcnjnxscdc
Sea animals are 'les animaux marins' in French.
umm...Fish, Flounder, and French Angelfish. (they're real!)
to start is démarrer in French; a start is 'un départ / un commencement'
most french adore poodles.