This is the longest regular migration by any known animal.
1	This	this	PRON	DT	Number=Sing|PronType=Dem	6	nsubj	6:nsubj	Discourse=elaboration-additional:31->28:2|Entity=(38-event-giv:act-cf1*-1-coref)
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	6:cop	_
3	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	Entity=(38-event-giv:act-cf1*-4-coref
4	longest	long	ADJ	JJS	Degree=Sup	6	amod	6:amod	_
5	regular	regular	ADJ	JJ	Degree=Pos	6	amod	6:amod	_
6	migration	migration	NOUN	NN	Number=Sing	0	root	0:root	_
7	by	by	ADP	IN	_	10	case	10:case	_
8	any	any	DET	DT	PronType=Ind	10	det	10:det	Entity=(42-animal-new-cf2-3-sgl
9	known	know	VERB	VBN	Tense=Past|VerbForm=Part	10	amod	10:amod	_
10	animal	animal	NOUN	NN	Number=Sing	6	nmod	6:nmod:by	Entity=42)38)|SpaceAfter=No
11	.	.	PUNCT	.	_	6	punct	6:punct	_
