Martlets is in Birds.
Martlets. Birds which have no feet so are continously in flight.
Furnival. Argent, a bend gules six martlets gules. Source.
Harding. Or, a bend azure three martlets argent.
Tempest. Argent, a bend engrailed between six martlets sable. Source.
Beckford. Per pale, gules and azure, on a chevron argent between three martlets or, an eagle displayed sable. Source.
Brownlow. Or an escutcheon within an orle of martlets sable. Source
Cookes. Argent, two chevronels between six martlets 3, 2 and 1 gules. Source.
Watson. Argent, on a chevron engrailed azure between three martlets sable as many crescents or. Source.
Davers. Argent, a bend gules three martlets or. Source.