Leopard is:
Panthers, by Daz Originals: https://www.daz3d.com/panthers

Leopard's cigar is:
Cigar, by Escoly: https://sketchfab.com/3d-models/cigar-63a0cc2192284d9c8cfdec0ed630ba03

Meerkat is:
Meerkat, by Daz Originals, Debra Ross: https://www.daz3d.com/meerkat

Meerkat beachball is from:
Props Pack - Fun in the Sun Props, by Daz Originals, RuntimeDNA, Traveler: https://www.daz3d.com/props-pack-fun-in-the-sun-props

Antelope is:
Pronghorn Antelope, by Daz Originals, Debra Ross: https://www.daz3d.com/pronghorn-antelope

Antelope's pipe is:
Morphable Meerschaum, by Valandar: http://docs.daz3d.com/doku.php/public/read_me/index/10587/start

Lawnmower tractor is:
Tractor_John Deere Like, by MeCycleGuy: https://3dwarehouse.sketchup.com/model/17f1ff26679551f184211ce1d2339d1d/TractorJohn-Deere-Like

Bigwheel trike is:
The Big Wheel, by Rj Cain: http://www.sharecg.com/v/17304/

Picnic pavilion is from:
Picnic Area Exterior, by Daz Originals: https://www.daz3d.com/picnic-area-exterior

Building is:
Motary Building, by SolCommand: https://www.sharecg.com/v/57985/

Grassy ground is from:
DM's Memorial, by Daz Originals, Danie marforno: https://www.daz3d.com/dm-s-memorial

Obelisk is from:
The Foreverstones, by Orestes Graphics: https://www.daz3d.com/the-foreverstones

Tree on the left is from:
The Beach, by JeffersonAF: https://www.daz3d.com/the-beach

Tree in the middle is from:
Pergoda Venue, by Daz Originals, Predatron: https://www.daz3d.com/pergoda-venue

Tree on the right is from:
Skuggar, by Daz Originals, FWDesign: https://www.daz3d.com/skuggar

Background image is from:
MountainScapes Backdrops Volume 3, by Daz Originals, Illumination, ImagineX: https://www.daz3d.com/mountainscapes-backdrops-volume-3