Black-throated Finches give 'kackles' in the same situations as do Long-tailed Finches, and they appear to have the same appeasement function.

Dr. Bocklin believes he's discovered what amounts to an on/off switch for human mutation, and current events lead me to believe that his discovery will have the direst consequences for mutantkind.

She there shall dress a sweeter sod / Than Fancy's feet have ever trod.

exuberant feeling