Species Taxonomy Dendrogram Light

import matplotlib.pyplot as plt
import numpy as np
from scipy.cluster.hierarchy import dendrogram, linkage, set_link_color_palette

np.random.seed(123)

species = ['H. sapiens', 'P. troglodytes', 'G. gorilla', 'P. pygmaeus',
           'M. musculus', 'R. norvegicus', 'C. familiaris', 'F. catus',
           'B. taurus', 'S. scrofa', 'E. caballus', 'O. aries']

genetic_data = np.random.rand(len(species), 10) * 50
Z = linkage(genetic_data, method='average')

fig, ax = plt.subplots(figsize=(12, 7), facecolor='#ffffff')
ax.set_facecolor('#ffffff')

set_link_color_palette(['#4927F5', '#27D3F5', '#6CF527', '#F5276C', '#F5B027'])

dn = dendrogram(Z, labels=species, leaf_rotation=40, leaf_font_size=11,
                color_threshold=0.65*max(Z[:,2]), above_threshold_color='#d1d5db', ax=ax)

ax.set_title('Mammalian Species Phylogenetic Tree', fontsize=15, 
             color='#1f2937', fontweight='bold', pad=18)
ax.set_xlabel('Species', fontsize=11, color='#374151')
ax.set_ylabel('Genetic Distance', fontsize=11, color='#374151')

ax.tick_params(axis='both', colors='#374151', labelsize=10)
for spine in ['top', 'right']:
    ax.spines[spine].set_visible(False)
for spine in ['left', 'bottom']:
    ax.spines[spine].set_color('#e5e7eb')

plt.tight_layout()
plt.show()