Cry-ptic

As you explore the plains, you hear a cry. What manner of beast could it have come from?

• Devious hijack: one's overriding call starter (6)
• Unununium, after yelp, initially splits dilapidated hunk (4 4)
• Inkwork takes so long, angry holler starts (2-2-2-3)
• Second exclamation initially surrounds cot holding two (8)
• At first, lament unknown nobodies' attempts at achieving notoriety (7)
• Vary awkwardly about quintuplicated plea, at last (9)
• Sleepless, turned to grab undergarment, releasing exclamation, initially (7)
• Bad karma precedes Andean bear with shriek, ultimately (11)
• Utter, without hesitation, "following leading pairs of Zulu tzars!" (3 4)